what happens to the horizontal component of velocity while an object is in the air.
Answers
Answer:
nothing happens
Explanation:
Horizontal component of velocity does not change (when air resistance is negligible); Vertical component of velocity changes due to GRAVITY. ... It takes the same exact amount of time and it has the same velocity but negative due to gravity.
Related Questions
The coefficient of friction between the wheels of Yamaha motorcycle and the dry pavement is 0.88. An animal walks out into the road, causing a motorcyclist to slam on the brakes. The wheels stop turning, but the tires skid along the road, causing intense friction and heat.
Determine the magnitude (positive) of the acceleration which the 196-kg motorcycle experiences while skidding to a stop. The mass includes the rider.
Answer: ____ m/s/s (or m/s^2)
Answers
To determine the magnitude of the acceleration of the motorcycle, we need to know the force of friction acting on the wheels. The force of friction is equal to the coefficient of friction multiplied by the normal force acting on the wheels, which is equal to the weight of the motorcycle and rider. The weight of the motorcycle and rider can be calculated by multiplying the mass by the acceleration due to gravity (9.8 m/s^2). So, the force of friction acting on the wheels of the motorcycle is equal to 0.88 * 196 kg * 9.8 m/s^2 = 1661.28 N.
The acceleration of the motorcycle is equal to the force of friction divided by the mass of the motorcycle and rider. So, the acceleration of the motorcycle is equal to 1661.28 N / 196 kg = 8.45 m/s^2.
Answer: 8.45 m/s^2
A. It Implies That M Is Finitely Generated. B. It Implies That M Has Nonzero Elements Of Nonzero Order. C. When Every Non-Null Element Has Null . D. In The Case That The Ring R Is A Body. E. None Of The Above Alternatives Gives A
Which of the following alternatives give a true statement. Justify your answer.
A modulus M over a ring R has a finite basis:
a. It implies that M is finitely generated.
b. It implies that M has nonzero elements of nonzero order.
C. When every non-null element has null .
d. in the case that the ring R is a body.
e. None of the above alternatives gives a true statement.
Which of the following statements are true?
a. If a subset of a module generates that whole module, then the subset cannot be
empty.
b. Every submodule S of a module M verifies the inequality C. Two different subsets of M have to generate two different submodules of M.
d. If S generates a submodule N of the module M, then contains S.
e. Neither statement is true.
Answers
The correct answer is e. None of the above alternatives gives a true statement. None of the statements in options a, b, c, and d are true when it comes to a modulus M over a ring R having a finite basis.
When a modulus M can be formed entirely from a finite set of elements, the modulus M is said to be finitely generated. M's finite basis does not, however, automatically imply that M is finitely generated. A basis is a set of linearly independent elements, and it might not be enough to produce all of the components of the modulus.
According to the assertion in option b, M must include nonzero items of nonzero order if it has a finite basis. This is untrue, though. The smallest positive number k, such that the element raised to the power of k equals the identity element, is referred to as the order of an element.
According to option c, every non-null element in a modulus with a finite basis has a null. Nevertheless, this claim is likewise untrue. It is possible for a modulus with a finite basis to have non-null elements without a null element.
According to option d, a ring R is a body, or a field, and only then can a modulus have a finite basis. However, this assertion is also untrue. Even though the ring R is not a field, a modulus can nonetheless have a finite basis. None of the given alternatives provides a true statement about a modulus M over a ring R having a finite basis.
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In a partially-filled array, the capacity may be less than the array's size.
When inserting a value into a partially-filled array, in ascending order, the insertion position may be the same as capacity.
When inserting elements into a partially-filled array, the array should be declared const.
When comparing two partially-filled arrays for equality, both arrays should not be declared const.
When deleting an element from a partially-filled array, it is an error if the index of the element to be removed is < size.
When inserting a value into a partially-filled array, elements following the insertion position are shifted to the left.
In a partially-filled array, the size represents the allocated size of the array.
In a partially-filled array, the capacity represents the effective size of the array.
In a partially-filled array, all of the elements are not required to contain meaningful values
When inserting an element into a partially-filled array, it is an error if size < capacity.
In a partially-filled array, all of the elements contain meaningful values
When deleting elements from a partially-filled array, the array should be declared const.
In a partially-filled array capacity represents the number of elements that are in use.
When searching for the index of a particular value in a partially-filled array, the array should not be declared const.
When inserting a value into a partially-filled array, in ascending order, the insertion position is the index of the first value smaller than the value.
True or False :
Answers
The statement "When inserting an element into a partially-filled array, it is an error if size < capacity" is true. When inserting an element into a partially-filled array, it is an error if size < capacity.How to insert a value into a partially-filled array?
The array should be traversed starting from the right end, where the last value has been placed, until the position of the insertion value is found. If the value is less than or equal to the value at the current position, move one space to the left. Insert the value in the position to the right of the current position when it is greater than the value at the current position. If the insertion position is the same as the array capacity, the value can be inserted at that location.The insertion of the element into the partially filled array shifts all the elements that come after the insertion position to the right. If the element is to be inserted at index k, and the current elements at positions k to size-1, they will be moved to k+1 to size.If the deletion of an element is to be performed in a partially filled array, it is an error if the index of the element to be removed is greater than or equal to the size of the array. The elements will be shifted to the right to fill the vacant position when an element is deleted.The following are true for a partially-filled array:In a partially-filled array, the capacity represents the effective size of the array.In a partially-filled array, all of the elements are not required to contain meaningful values.In a partially-filled array, the size represents the allocated size of the array.The number of elements that are in use is represented by the capacity in a partially-filled array.
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0.8kg marble is shot out of the spring gun that had a k=625N/m. If uncompressed length of the spring is 0.75m and when compressed it measures 0.4m. The whole system has 85J of mechanical energy. What is the velocity of the marble as it leaves the gun? After 6s how far has the marble travelled?
Answers
Given data:
* The mass of the marble is m = 0.8 kg.
* The spring constant is k = 625 N/m.
* The uncompressed length of the spring is L= 0.75 m.
* The compressed length of spring is L' = 0.4 m.
* The net mechanical energy of the system is E = 85 J.
* The value of time given is t = 6 s.
Solution:
(a). The change in the length of spring during the compression is,
\(\begin{gathered} x=L-L^{\prime} \\ x=0.75-0.4 \\ x=0.35\text{ m} \end{gathered}\)The potential energy of the marble as it leaves the gun is,
\(U=\frac{1}{2}kx^2\)Substituting the known values,
\(\begin{gathered} U=\frac{1}{2}\times625\times0.35^2 \\ U=38.28\text{ J} \end{gathered}\)The kinetic energy of the marble as it leaves the gun in terms of the total mechanical energy is,
\(\begin{gathered} K=E-U \\ K=85-38.28 \\ K=46.72\text{ J} \end{gathered}\)The kinetic energy of the marble in terms of mass and velocity of the marble is,
\(\begin{gathered} K=\frac{1}{2}mv^2 \\ 46.72=\frac{1}{2}\times0.8\times v^2 \\ 46.72=0.4\times v^2 \\ v^2=\frac{46.72}{0.4} \end{gathered}\)By simplifying,
\(\begin{gathered} v^2=116.8 \\ v=10.8\text{ m/s} \end{gathered}\)Thus, the velocity of the marble as it leaves the gun is 10.8 meters per second or approximately 11 meters per second.
(b). The force acting on the marble at the time of leave is,
\(\begin{gathered} F=kx \\ F=625\times0.35 \\ F=218.75\text{ N} \end{gathered}\)According to Newton's second law, the force acting on the marble in terms of the acceleration of the marble is,
\(\begin{gathered} F=ma \\ 218.75=0.8\times a \\ a=\frac{218.75}{0.8} \\ a=273.44ms^{-2} \end{gathered}\)By the kinematics equation, the distance traveled by the marble in 6 seconds is,
\(S=ut+\frac{1}{2}at^2\)where u is the initial velocity of the marble (when the marble is at rest in the compressed spring position),
The value of the initial velocity of the marble is u = 0 m/s.
Substituting the known values,
\(\begin{gathered} S=0+\frac{1}{2}\times273.44\times6^2 \\ S=4921.92\text{ m} \end{gathered}\)Thus, the distance traveled by the marble in 6 s is 4921.92 meters or approximately 4922 meters.
There are 12 more squares than triangles on a poster showing a mixture of 36 squares and triangles. How many triangles are on the poster?
Answers
There are 12 more squares than triangles on a poster that has a mixture of 36 squares and triangles. The task is to determine the number of triangles on the poster.
To solve this problem, we can set up an equation. Let's represent the number of squares as "x" and the number of triangles as "y". Given that there are 12 more squares than triangles, we can write the equation: x = y + 12. We also know that the total number of squares and triangles on the poster is 36, so we can write another equation: x + y = 36.
Now, we can substitute the value of x from the first equation into the second equation: y + 12 + y = 36.
Simplifying the equation, we get: 2y + 12 = 36.
Subtracting 12 from both sides, we have: 2y = 24.
Dividing both sides by 2, we find: y = 12.
Therefore, there are 12 triangles on the poster.
In conclusion, the number of triangles on the poster is 12.
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what is the most dense type of stars?
Answers
Answer:
A neutron star is the most intensely dense object in all the universe. Of course, the argument can be made that a black hole is the most dense, but considering that a black hole is technically beyond the event horizon, it is neutron stars that get the top spot for the being the ‘most dense’.
Explanation:
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a 0.350 kg lump of clay is dropped from a height of 1.15 m onto the floor. it sticks to the floor and does not bounce.
Answers
When a 0.350 kg lump of clay is dropped from a height of 1.15 m onto the floor and sticks to the floor without bouncing, we can analyze the situation using the principle of conservation of mechanical energy.
Initially, the clay has gravitational potential energy due to its height above the ground. As it falls, this potential energy is converted into kinetic energy. When the clay hits the floor and sticks to it, its kinetic energy is completely absorbed and converted into other forms, such as thermal energy and sound energy.
The clay's potential energy is given by the equation PE = mgh, where m is the mass of the clay (0.350 kg), g is the acceleration (9.8 m/s²), and h is the height (1.15 m).
Thus, the initial potential energy is PE = 0.350 kg × 9.8 m/s² × 1.15 m.
Since the clay sticks to the floor and does not bounce, it comes to a complete stop and does not have any kinetic energy remaining. Therefore, the total mechanical energy of the system is conserved. In this case, the mechanical energy is converted into other forms of energy upon impact with the floor.
When a 0.350 kg lump of clay is dropped from a height of 1.15 m onto the floor and sticks to the floor without bouncing, we can analyze the situation using the principle of conservation of mechanical energy. Initially, the clay has gravitational potential energy due to its height above the ground. As it falls, this potential energy is converted into kinetic energy.
When the clay hits the floor and sticks to it, its kinetic energy is completely absorbed and converted into other forms, such as thermal energy and sound energy. The clay's potential energy is given by the equation PE = mgh, where m is the mass of the clay (0.350 kg), g is the acceleration due to gravity (9.8 m/s²), and h is the height (1.15 m).
Thus, the initial potential energy is PE = 0.350 kg × 9.8 m/s² × 1.15 m
= 3.9435 J.
Since the clay sticks to the floor and does not bounce, it comes to a complete stop and does not have any kinetic energy remaining. Therefore, the total mechanical energy of the system is conserved. In this case, the mechanical energy is converted into other forms of energy upon impact with the floor. The clay's potential energy is converted into thermal energy and sound energy due to the deformation and sticking of the clay.
This conversion of energy is due to the work done by the forces involved in the collision. The clay's kinetic energy is completely absorbed, resulting in its conversion into these other forms of energy.
When a 0.350 kg lump of clay is dropped from a height of 1.15 m and sticks to the floor without bouncing, its gravitational potential energy is converted into kinetic energy as it falls. Upon impact with the floor, the clay's kinetic energy is completely absorbed and converted into thermal energy and sound energy.
This conversion of energy is a result of the work done by the forces involved in the collision. The principle of conservation of mechanical energy states that the total mechanical energy of a system remains constant as long as no external forces act on it.
In this case, the mechanical energy of the clay-floor system is conserved, and the initial potential energy of the clay is converted into other forms of energy upon impact.
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Draw a wave that has a wavelength of 3 cm and an amplitude of 1 cm. Label the wavelength, the amplitude, the rest position, and the crest and trough of your wave.
Answers
Answer:
Please find attached, the required wave drawn with MS Excel
Explanation:
Functions that represent waves is given as follows
A general form of the wave equation is A·sin(B·x) + D
Where;
B = 2·π/T
T = The period of the wave = 1/f
D = The vertical shift of the wave = 0
A = The amplitude of the wave = 1 for sine wave
v = The wave velocity
λ = The wavelength of the wave
f = The frequency of the wave
v = f·λ
At constant v, λ ∝ 1/f
∴ λ ∝ T
Where T = 3, we have;
B = 2·π/T
∴ B = 2·π/3
Therefore, we have the wave with an amplitude of 1 cm, and wavelength, 3 cm, given as follows
y = sin((2·π/3)·x)
Plotting the above wave with MS Excel, we can get the attached wave
a if your speedometer has an uncertainty of 20 kmh at a speed of 90 kmh what is the percent uncertai
Answers
As per the given values, and uncertainty of the speedometer the actual speed could be 61.33 km/h.
Uncertainty = 2.0 km/h
Measured value = 90 km/h
Calculating the Percent uncertainty -
= (Uncertainty / Measured value) x 100
= (2.0 / 90 ) x 100
= 2.22%
Now, assuming the speedometer has the same percent uncertainty at 60 km/h, this percent uncertainty can be used to determine the range of speeds.
Percent uncertainty = 2.22%
Measured value = 60 km/h
Calculating the range -
= (Percent uncertainty / 100) x Measured value
= (2.22% / 100) x 60
= 1.33
Calculating the Total speed -
= 60 + 1.33
= 61.33
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Complete Question:
If your speedometer has an uncertainty of 2.0 km/h at a speed of 90 km/h ,what is the percent uncertainty? (b) If it has the same percent uncertainty when it reads 60 km/h , what is the range of speeds you could be going?
What is the force on a 1 000 kilogram-elevator that is falling freely under the acceleration of
gravity only (9.8m/s²)?
Answers
Answer:
9800N
Explanation:
Since it is falling freely, the only force on it is its weight, w. w = m ⋅ g = 1000kg ⋅ 9.8ms2 = 9800N
An 8.8-magnitude earthquake in Chile in 2010 killed more than 700 people. On January 12, 2010, a less powerful earthquake, measuring 7.0, killed more than 200,000 in Haiti. Why do you think this happened?
Answers
Answer:
The main reason for this is the engineering and technology driven building construction in Chile than in Haiti
Explanation:
The main reason for this is the engineering and technology driven building construction in Chile than in Haiti. Most of the buildings in Haiti do not fit in the building byelaws norms as most of them were constructed in a short period of time with less engineering and at cheaper rate. While building in Chile were built adhering to the building codes and byelaws.
The base of the building is Chile were separated from each other using the “base isolation” technology and the were also more flexible as compared to the buildings in Haiti.
The skyscrapers in Chile were constructed in a way that they can float on the arrangements of ball bearings and padded cylinders
When carrying passengers up to the second floor, an escalator does 3,000 Nm of work. The time it takes the
escalator to move to the second floor is 6 seconds. The power of the escalator is
Nm/s.
Answers
Answer:
500Nm/s
Explanation:
500
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_________________ is the best aerial reconnaissance method for dealing with extremely large scale sites.
Answers
Unmanned aerial vehicles (UAVs) is the best aerial reconnaissance method for dealing with extremely large scale sites.
Drones, also known as unmanned aerial vehicles (UAVs), are the most effective approach for aerial reconnaissance of big scale sites.
They have been used effectively for commercial applications such as inspections, surveys, and mapping.
They are also utilized in military reconnaissance and surveillance to gather intelligence information and track hostile locations, structures, or activities.
UAVs have a number of advantages over other conventional aerial reconnaissance techniques.
They are less expensive, safer, and faster to deploy than manned aircraft.
They can be deployed over difficult terrain and areas that are difficult to reach.
They can be remotely controlled and can fly at low altitude to provide high-resolution images and video footage that can be used to analyze the site in detail.
UAVs are equipped with advanced sensors and cameras that enable them to capture high-quality images and videos that can be analyzed in real-time or later to produce detailed maps and 3D models of the site.
This makes them the best approach for aerial reconnaissance of big scale sites.
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If a football player hits the ball with a force of 50 N, determine the reaction force.
Answers
Answer: 60
Explanation: if u hit it it will have impact and the impact added 10n
What led to a change in the model of the atom?
Answers
Answer:
Rutherford's experiment
Explanation:
Rutherford's experiment prompted a change in the atomic model. If the positive alpha particles mostly passed through the foil, but some bounced back. AND if they already knew that the electron was small and negative, then the atom must have a small positive nucleus with the electrons around them.
C p= 88.15J/mol.K Te [K] for ligning 1 er ΔH = 62.626 kJ og ΔSTe = 141.32 j/mol.K
Calculate the equilibrium temperature for equation (1)
C P = 88.15 J /mol. K The answer is 140 degrees, I just need an explanation J mol K
Answers
Cp=88.15J/mol.K is the molar heat capacity of the substance T is the temperature of the substance in kelvin ΔH=62.626kJ is the enthalpy change of the substance ΔSTe=141.32J/mol.
K is the change in entropy of the substance. The formula for calculating the equilibrium temperature for equation (1) can be given as:ΔH=ΔSTe*TFor the given values of ΔH and ΔSTe, we can calculate the value of temperature T as
:T=ΔH/ΔSTeT=62.626kJ/141.32J/mol.K = 442.87K = 169.72°C.
The calculated temperature is in degrees Celsius. We need to convert this to Kelvin by adding 273.15 to it.
Therefore,T=169.72+273.15 = 442.87K = 140°C
The molar heat capacity Cp is the amount of heat required to raise the temperature of one mole of a substance by one kelvin. The value of Cp depends on the nature of the substance and can be measured experimentally. In this case, Cp=88.15J/mol.K for the substance is given.The temperature of the substance is denoted by T and is given in kelvin.
The enthalpy change of the substance is denoted by ΔH and is given as 62.626kJ. Enthalpy is a measure of the heat released or absorbed during a chemical reaction. The change in entropy of the substance is denoted by ΔSTe and is given as 141.32J/mol.K. Entropy is a measure of the disorder of a system.
The formula for calculating the equilibrium temperature for equation (1) can be given as:ΔH=ΔSTe*T.
This formula relates the enthalpy change of the substance to the change in entropy of the substance and the temperature at which the reaction occurs.
The equilibrium temperature is the temperature at which the forward and reverse reactions occur at the same rate. This is the temperature at which the system is in equilibrium.
If the temperature is below the equilibrium temperature, the forward reaction is favored and if the temperature is above the equilibrium temperature, the reverse reaction is favored.
The calculated temperature is in degrees Celsius. We need to convert this to Kelvin by adding 273.15 to it. Therefore,T=169.72+273.15 = 442.87K = 140°C
Therefore, the equilibrium temperature for equation (1) is 140°C or 442.87K. This temperature is the temperature at which the forward and reverse reactions occur at the same rate.
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5 a mass of 346 = 2g was added to a mass of 129 + 1g.
a what was the overall absolute uncertainty?
b what was the overall percentage uncertainty?
Answers
a) The overall absolute uncertainty is ± 3g.
b) The overall percentage uncertainty is approximately 1.353%.
To ascertain the general outright vulnerability and by and large rate vulnerability, we really want to decide the vulnerabilities related with each mass and afterward join them.
a) Outright vulnerability:
For the mass of 346 ± 2g, the outright vulnerability is ± 2g.
For the mass of 129 ± 1g, the outright vulnerability is ± 1g.
To find the general outright vulnerability, we add the singular outright vulnerabilities:
Generally speaking outright vulnerability = ± 2g + ± 1g = ± 3g
b) Rate vulnerability:
The rate vulnerability is determined by partitioning the outright vulnerability by the deliberate worth and afterward duplicating by 100.
For the mass of 346 ± 2g, the rate vulnerability is (2g/346g) × 100 ≈ 0.578%
For the mass of 129 ± 1g, the rate vulnerability is (1g/129g) × 100 ≈ 0.775%
To find the general rate vulnerability, we want to join the singular rate vulnerabilities. Since the vulnerabilities are little, we can inexact them as rates:
Generally speaking rate vulnerability ≈ 0.578% + 0.775% ≈ 1.353%
Accordingly:
a) The general outright vulnerability is ± 3g.
b) The general rate vulnerability is roughly 1.353%.
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What is the final temperature of the metal? C
What is the temperature change of the water? C
What is the temperature change of the metal? C
Answers
1. The final temperature of the metal is 111 °C.
2. The change in the temperature of the water is 6.2 °C
3. The change in the temperature of the metal is 40.6 °C.
What is temperature?
Temperature is described as a physical quantity that expresses quantitatively the perceptions of hotness and coldness.
Given data:
Initial temperature of metal (Tₘ₁) = 70.4 °C
Initial temperature of water (Tᵥᵥ₁) = 23.6 °C
Equilibrium temperature (Tₑ) = 29.8 °C
1. final temperature of metal.
Initial temperature of metal (Tₘ₁) = 70.4 °C
Equilibrium temperature (Tₑ) = 29.8 °C
Change in temperature of metal (ΔTₘ) =?
ΔTₘ = Tₘ₁ – Tₑ
ΔTₘ = 70.4 – 29.8
ΔTₘ = 40.6 °C
Initial temperature of metal (Tₘ₁) = 70.4 °C
Change in temperature of water (ΔTₘ) = 40.6 °C
Final temperature of metal (Tₘ₂) =?
40.6 = Tₘ₂ – 70.4
40.6 + 70.4 = Tₘ₂
111 = Tₘ₂
Tₘ₂ = 111 °C
Therefore, the final temperature of the metal is 111 °C
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COMPlete question is attached:
Answer:
A. What is the final temperature of the metal?
29.8
B. What is the temperature change of the water?
6.2
C. What is the temperature change of the metal?
-40.6
Explanation:
Monochromatic light of wavelength lambda, such as light from a laser, is directed through two narrow parallel slits that are a distance d apart. There is a viewing screen a very long distance R away from the slits that is used to observe the interference pattern that emerges from the light shining through the slits. The distance that light travels from one slit to the screen is r1 and the distance that light travels from the other slit to the screen is r2. The central bright fringe of the interference pattern results due to a path difference, r1 – r2, of zero. What path difference is required to produce the first order bright fringe that is adjacent to the central bright fringe?
Answers
Answer:
When r1 – r2 equal the wavelength of the monochromatic light
Explanation:
This is because to observe a bright fringe a constructive interference pattern of path difference, r1 – r2 = mλ is observed, where m is an integer and λ = wavelength of monochromatic light.
For bright fringes and thus constructive interference, r1 – r2 must be integral multiples of the wavelength, λ. When r1 – r2 , we have the central bright fringe and thus m = 0.
The first order bright fringe which is adjacent to the central bright fringe is obtained when m = 1,
So r1 – r2 = 1 × λ
r1 – r2 = λ
Thus, the path difference required to produce the first order bright fringe that is adjacent to the central bright fringe is when r1 – r2 = λ, the wavelength of the monochromatic light.
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a car is sitting on top of a hill it is 7500 kg the hill is 100m high how much potential energy does the car have
a. 0.01 J
b. 75 J
c. 7,350,000 J
d. 37,500,000 J
Answers
Hello!
\(\large\boxed{\text{C. 7,350,000 J}}\)
Use the equation:
\(PE = mgh\)
Where:
m = mass of the object (kg)
g = acceleration due to gravity (≈9.8 m/s)
h = height above ground (m)
Plug the given values into the equation:
PE = 7500 · 9.8 · 100
PE = 7,350,000 Joules.
how much electrical energy is converted to light and thermal energy by a 140 w light bulb in one day?
Answers
Energy=1.209×10^7 J is the electrical energy is converted to light and thermal energy by a 140 w light bulb in one day.
How to solve?We need to find how much electrical energy is converted to light and thermal energy by a P=140 W light bulb in one day, t=24.0 h. that is,
Energy=Pt
substitute with the given to get,
Energy=(140 W)(24.0 h)(3600 s/h)=1.209×10 ^7 J
Energy=1.209×10^7 J
Where is the energy of the inductor kept?The magnetic field produced by the current passing through the inductor is where this energy is kept. The energy is held without being lost in a pure inductor, where it is released back into the circuit when the inductor's magnetic field falls and the current through it is scaled down.
What is the secret to having the most energy?The energy of a photon at frequency f is equal to the maximal energy of an emitted electron, or E = hf, less the energy necessary to eject an electron from the metal's surface (the so-called work function).
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In one day, a 140 W light bulb would convert 140 watt-hours (Wh) of electrical energy into light and thermal energy.
What is thermal energy?
Thermal energy is the internal energy that is stored in a system due to the motion of its molecules. It is a form of kinetic energy that is produced by the random movement of particles in a matter. Thermal energy is the result of the energy of motion and energy stored in the form of potential energy. It is the energy that is released when molecules react and interact with each other. Thermal energy is responsible for the increase in temperature of a system, and is also the energy used to power engines, turbines, and other machines. Thermal energy is used to boil water, cook food, and generate electricity. It is also the energy used to power air conditioning systems, heaters, and other forms of temperature control.
This is equal to 140 joules (J) of energy per second multiplied by the number of seconds in one day, which is 86400.
Therefore, the total energy converted by the light bulb in one day would be 1.21 x 10^7 J (1.21x10^7 J = 140 Wh x 86400 s).
This energy is converted into both light and thermal energy, but the ratio of energy converted into each form depends on the characteristics of the bulb.
Generally, most of the energy (around 95%) is converted into thermal energy and the remainder is converted into light energy.
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The reason there are two slits, rather than one, in a Young’s experiment is: A. to increase the intensity B. one slit is for frequency, the other for wavelength C. to create a path length difference D. one slit is for Vector E fields, the other is for Vector B fields E. two slits in parallel offer less resistanceRead more on Sarthaks.com - https://www.sarthaks.com/503149/the-reason-there-are-two-slits-rather-than-one-in-a-youngs-experiment-is
Answers
The reason there are two slits, rather than one, in a Young’s experiment is to create a path length difference. The correct option is C.
Young’s experiment involves a double-slit setup where light from a single source is split into two beams by a barrier that contains two narrow slits. The light from each of the two slits acts as a coherent source, producing a pattern of interference fringes on a screen placed behind the barrier.
The reason for using two slits rather than one is to create a path length difference between the two beams. This path length difference causes the waves to interfere with each other constructively or destructively, leading to a pattern of bright and dark fringes on the screen.
The pattern of fringes is a result of the interference of the waves from the two slits and provides valuable information about the wave nature of light. Therefore, the two slits are an essential component of Young's experiment, and they create a path length difference that leads to interference fringes. The correct option is C.
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Two pulses are moving along a string. one pulse is moving to the right and the second is moving to the left. both pulses reach point p at the same instant. an illustration with a rectangular crest moving toward the right and a triangular trough going toward the left both toward point p and equidistant from p. which diagram shows the appearance of the string after the pulses pass point p? an illustration with the triangular trough in the middle of the rectangular crest to the left of point p. an illustration with the triangular trough in the middle of the rectangular crest to the right of point p. an illustration with a rectangular crest moving toward the right past p and a triangular trough going toward the left past p. an illustration with a rectangular crest moving toward the left and a triangular trough going toward the right both away from point p and equidistant from p.
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The two pulses will have Constructive interference. Constructive interference occurs when the maxima of two waves add together (the two waves are in phase), so that the amplitude of the resulting wave is equal to the sum of the individual amplitudes.
What is constructive interference?
Constructive interference occurs when the maxima of two waves add together (the two waves are in phase), so that the amplitude of the resulting wave is equal to the sum of the individual amplitudes. Equivalently, the minima of the waves would be aligned
This is an example of a standing wave produced when two ends of a string are oscillated in the same plane. The displacement of of point on two ends oscillates vertically.
We are given that two pulses move along the string each coming towards each other and meet at a common point ( P ).
Each pulse have their own magnitude or displacement in the vertical plane. If the pulses are to meet at a common point at the same instant, then they interfere with each other constructively.
Where constructive interference of two pulses is the addition of magnitudes of induvidual pulses and form a single puls of the constructed magnitude.
magnitude ( New pulse ) = magnitude (Pulse 1) + magnitude (Pulse 2)
Hence the two pulses will have Constructive interference
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Answer:
C
Explanation:
edge 22
How many 38 degrees c to f?
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38 degrees Celsius is equal to 100.4 degrees Fahrenheit.
To convert Celsius to Fahrenheit, you can use the following formula:
F = (9/5)C + 32
where F is the temperature in Fahrenheit and C is the temperature in Celsius.
So if we plug in 38 for C, we get:
F = (9/5) * 38 + 32 = 100.4
Therefore, 38 degrees Celsius is equal to 100.4 degrees Fahrenheit.
Temperature is a measure of the thermal energy of a substance or system. The most commonly used units of temperature are Celsius (°C), Fahrenheit (°F) and Kelvin (K).
To convert a temperature from Celsius to Fahrenheit, you can use the following formula:
°F = (9/5) x °C + 32
To convert a temperature from Fahrenheit to Celsius, you can use the following formula:
°C = (5/9) x (°F - 32)
To convert from Celsius to Kelvin you can use the following formula:
K = °C + 273.15
To convert from Fahrenheit to Kelvin you can use the following formula:
K = (5/9) x (°F - 32) + 273.15
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The source of all magnetic fields is:
- moving charges
- the earth's gravity
- the aurora borealis
- solar fields
Answers
Answer:
Moving charges
Explanation:
The source of all magnetic fields is moving electric charge: whether it is current in a wire, unpaired electrons in an atomic orbital, convection currents in the earth's liquid nickle /iron core, plasma in the sun, etc. moving electric charge is the source of all magnetic fields.
The siemens, the SI derived unit of electric conductance and admittance (the reciprocal of resistance in ohms), is also known by what three-letter "semordnilap"?
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The three-letter "semordnilap" for the siemens, the SI derived unit of electric conductance and admittance, is MES.
Which statement describes a characteristic of an experimental design that
will improve the quality of the results?
A. It has a small sample size of test subjects,
B. It has more than one manipulated variable,
C. It has a single responding variable,
D. It involves a procedure that is complex,
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Answer:
C. It has a single responding variable,
Explanation:
Answer:c
Explanation:
A heater marked 60W evaporates
6x10-³ kg
of boiling water in 60 seconds. What is the
specific latent heat of vaporization of water in
Jkg
Answers
Answer:
L = E / M energy input / water evaporated (J/kg)
E = 60 J / s 60 J input in 1 sec
L = 60 J / (.006 / 60) kg = 600,000 J / kg
The specific latent heat of the vaporization of water is 6×10⁵ J/kg.
The amount of heat required to evaporate a certain mass of water can be calculated using the formula:
Q = ml
where Q is the heat required, m is the mass of water evaporated, and l is the specific latent heat of vaporization of water.
In this problem, we know that a heater with a power output of 60W evaporates 6x10⁻³ kg of boiling water in 60 seconds. We can calculate the amount of heat supplied by the heater using the formula:
Q = Pt
where P is the power of the heater and t is the time for which it is operating. Substituting the given values, we get:
Q = 60 W × 60 s
Q = 3600 J
We can now calculate the specific latent heat of the vaporization of water by rearranging the formula:
l = Q/m
Substituting the given values, we get:
l = 3600 J / (6×10⁻³kg)
l = 6×10⁵ J/kg
Therefore, the specific latent heat of the vaporization of water is equal to 6×10⁵J/kg.
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PLEASE HELP!!!!!!!!
Answers
Answer:
the is D
Explanation:
An action-reaction force pair
Answer:
An action-reaction force pair
has anyone done this i need answers
Answers
I just see this so I can't see the image
