The body weighing 0.6 kg is thrown vertically upwards and returns to the starting point after 6 seconds. Using the law of conservation of mechanical energy find the velocity and kinetic energy at the moment of casting.

Answer:

The continuity equation says that if charge is moving out of a differential volume (i.e., divergence of current density is positive) then the amount of charge within that volume is going to decrease, so the rate of change of charge density is negative.

Explanation:

I have included a picture

The first two steps for finding the magnitude of the resultant vector is find the sum of the two horizontal vectors and the sum of the two vertical vectors.

The resultant of two vectors is determined from Pythagoras theorem is as shown below.

R² = a² + b²

Thus, the first two steps for finding the magnitude of the resultant vector is find the sum of the two horizontal vectors and the sum of the two vertical vectors.

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Answer:

In an atom the no. of proton is equal to the no. of electron

= 4 electron

Answer:4

Explanation:

since it doesnt have a charge it should have the same amount of protons so its 4

xscl determines the width of each interval on the x-axis, xmin and xmax set the range of data to be included, and ymax determines the maximum height of the bars on the y-axis. Adjusting these parameters allows you to customize the appearance and representation of the data in the histogram on the TI-83/84 calculator.

a. The significance of xscl (x-scale) in constructing a histogram on the TI-83/84 calculator is that it determines the width of each interval or bin on the x-axis. It specifies the numerical difference between consecutive values on the x-axis. By adjusting xscl, you can control the level of detail and the width of the bars in the histogram.

b. The values of xmin (minimum x-value) and xmax (maximum x-value) determine the range of data to be included in the histogram. They specify the boundaries of the x-axis and define the interval within which the data will be grouped. It's important to choose xmin and xmax to encompass the entire range of the data while avoiding unnecessary empty space on the graph.

c. The significance of ymax (y-axis maximum) in constructing a histogram on the TI-83/84 calculator is that it determines the maximum value on the y-axis. It sets the upper limit for the height of the bars in the histogram. Choosing an appropriate ymax ensures that all the bars are visible within the graphing window and prevents any bars from being cut off due to insufficient vertical space.

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Answer:

there are just a bit over 1.6 km in a mile so 7.5*1.6=12. something so there is just a little bit more distance in 7.5 miles

Explanation:

Foundation: Use a deep and sturdy foundation that extends below the frost line and is anchored to bedrock. Consider foundations or caissons, which can better withstand lateral forces during an earthquake.

Structural System: Utilize a seismic-resistant structural system such as reinforced concrete or steel framing with appropriate bracing and cross-bracing configurations. Consider incorporating a moment-resisting frame or a shear wall system, which can provide enhanced lateral stability during seismic events.

Dampers and Isolators: Include seismic dampers or isolators in the structural system to absorb or dissipate seismic energy. These can be installed at various locations, such as between floors or in the foundation, to reduce the impact of seismic forces on the building.

Diaphragms: Strengthen diaphragms, which are horizontal structural elements such as floors and roofs, to improve their resistance to lateral loads during an earthquake. Consider using diaphragms made of materials such as cross-laminated timber (CLT) or steel decking, which can provide additional stiffness and strength.

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Answer:

650N

Explanation:

we're using w=m×g

and gravity on earth is 10N

so it'll be

W=65 (being the mass) × 10

=650N

(explanation for a)

The VRIO analysis will provide valuable insights into the internal factors that contribute to Mercedes Benz's competitive position in the automotive industry.

VRIO Analysis

In addition to the Strategy Diamond, the group will also conduct a VRIO analysis as part of their collective analysis of Mercedes Benz.

VRIO stands for Value, Rarity, Imitability, and Organization, and it is a framework used to evaluate the resources and capabilities of a company.

The VRIO analysis helps assess the competitive advantage of a company by examining whether its resources and capabilities are valuable, rare, difficult to imitate, and well-organized.

This analysis allows the group to identify the company's key strengths and weaknesses and understand how they contribute to its overall strategy.

By applying the VRIO framework to Mercedes Benz, the group can determine which aspects of the company's operations and resources provide a sustainable competitive advantage.

They will evaluate the value of Mercedes Benz's brand reputation, technological innovation, manufacturing capabilities, and distribution network.

They will also assess the rarity of these resources and capabilities and analyze whether competitors can easily imitate or replicate them. Lastly, the group will examine how well Mercedes Benz's organization and management effectively leverage these resources to create value for the company.

The VRIO analysis will provide valuable insights into the internal factors that contribute to Mercedes Benz's competitive position in the automotive industry.

It will help the group understand the unique aspects of the company's operations and guide their analysis of the broader strategic context outlined in the Strategy Diamond.

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Explanation:

Given:

v₀ = 0 m/s

a = 3 m/s²

t = 4 s

Find: Δx and v

Δx = v₀ t + ½ at²

Δx = (0 m/s) (4 s) + ½ (3 m/s²) (4 s)²

Δx = 24 m

v = at + v₀

v = (3 m/s²) (4 s) + 0 m/s

v = 12 m/s

The ground emits more energy than it absorbs, the ground: cools down. The correct option is d.

When the ground emits more energy than it absorbs, it means that the ground is losing more heat energy than it is gaining from incoming radiation. This leads to a net loss of energy from the ground, resulting in a cooling effect.

The ground gains energy primarily through the absorption of solar radiation. However, various factors such as cloud cover, atmospheric conditions, and time of day can affect the amount of solar radiation reaching the ground.

In some situations, the ground may receive less incoming radiation than it emits as thermal radiation, particularly during nighttime or in certain geographic regions.

As the ground continues to lose more energy than it gains, its temperature decreases, leading to a cooling effect. This cooling process helps to restore an energy balance, where the energy gained from incoming radiation matches the energy lost through emission, eventually reaching a state of equilibrium. The correct option is d.

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when the ground emits more energy than it absorbs, the ground . group of answer choices

a. is in equilibrium

b. heats up

c. changes its albedo

d. cools down

Titanium is a non-magnetic metal because of its digital configuration and crystal shape.

In its pure shape, titanium has a hexagonal near-packed (hcp) crystal structure, this means that that its atoms are organized in a specific pattern in the crystal lattice.

This association outcomes inside the absence of unpaired electrons that could create magnetic moments, making it non-magnetic. Moreover, the electron configuration of titanium does not permit for magnetic moments to shape.

Titanium has four valence electrons, which are positioned within the 3-d and 4s orbitals.

The electrons in the 3d orbital are paired, which means that they've opposite spins and cancel out any magnetic second that could be created by means of the electrons inside the 4s orbital.

But, whilst titanium is alloyed with other metals, inclusive of iron or nickel, it may turn out to be magnetic because of the magnetic houses of these metals.

This belongings is utilized in various programs, inclusive of in the manufacturing of plane and medical implants, where the non-magnetic houses of titanium are important to keep away from interference with electromagnetic gadgets.

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The masses amount of a proton and neutron are 1.0087 and 1.0073 amu respectively.

This is defined as  sub atomic particle which is positively charged and is present in the nucleus while the neutron is also a particle present in the nucleus but has a neutral charge.

Electrons on the other hand are found outside the nucleus and are negatively charged. It is the sub atomic particle which is actively involved in a chemical reaction.

The masses of neutron and proton are 1.0087 and 1.0073 amu respectively and was discovered by scientists thereby making it the most appropriate choice.

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C. Every 4 years. A leap year is a year that has an extra day added to it, making it 366 days long instead of the usual 365.

Leap years occur every 4 years to ensure that the calendar year is aligned with the Earth's orbital period, which is 365.24 days long. If the Earth's orbital period was 365.1 days, we would still need to have leap years in order to keep the calendar year in alignment with the Earth's orbit. Therefore, leap years would occur every 4 years.This extra day is added in February, making it 29 days long instead of the usual 28. A leap year occurs every four years, meaning that 2020 is a leap year. This extra day is added to the calendar in order to keep the calendar year synchronized with the solar year, or the length of time it takes for the Earth to orbit the sun.

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This magnet may be divided in half to create two separate magnets, each featuring their own arrays of northern and southern magnetic poles. This is due to the absence of magnetic monopoles in nature.

Any substance that can draw iron and create a magnetic field around itself is a magnet. All known elements and several compounds had been investigated for magnetism by the end of 19th century, and it was discovered that every one of them has some sort of magnetic characteristic.

This demonstrates that magnetic monopoles cannot be created from a bar magnet. It is impossible for a bar to be split in two in order that one half possesses the magnetic north pole and the other the magnetic south pole. Instead, the east and west poles of each magnet will be unique.

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Hay muchos ejemplos importantes de fuerzas que no funcionan porque actúan perpendiculares al movimiento. Para el movimiento circular, la fuerza centrípeta siempre actúa en ángulo recto con el movimiento. Cambia la dirección del movimiento, pero no funciona en el objeto.

Answer:

v_Object A = 3v_Object B

OR

1/3v_Object A = v_Object B

Explanation:

Let's see what variables we have in this problem.

Since the objects both start at rest, we have an initial velocity of 0 m/s.

The objects accelerate, so we will have acceleration.

Object A accelerates for 3x the time as Object B, so we have time.

The problem wants us to compare their final speeds, so we have final velocity.

Check what constant acceleration kinematic equation has these variables:

Let's create values for the unknown variables and compare the final velocities.

Since Object A accelerates for 3x the time as Object B, we can use t = 30 s for Object A.

Let's write the two equations:

Simplify these equations.

Let's use another set of values to compare the final velocities to see if the velocities differ by 100 m/s or Object A has 3x the final velocity of Object B.

Write the two equations:

Simplify these equations.

Now we can clearly see that the final velocities are differed by 3x. Object A has 3x the final speed compared to that of Object B.

"Microwave transmission systems are used for high volume, long distance, line-of-sight communications."

Microwave is a line-of-sight wireless communication technology that uses high frequency beams of radio waves to provide high speed wireless connections that can send and receive voice, video, and data information.

Due to their small wavelength and ability to be focused into narrow beams that may be targeted directly at the receiving antenna, microwave links are frequently employed for point-to-point communications. As opposed to lower frequency radio waves, which interfere with one other, this enables neighbouring microwave equipment to operate on the same frequencies.

Another benefit is that the microwave band has a very high information-carrying capacity due to its high frequency; its bandwidth is 30 times greater than that of the radio spectrum below it.

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The instantaneous velocity when t=2 is 23 units per time (depending on the units used for t in the original function).

To find the instantaneous velocity at a specific time t=2, we can differentiate the position function with respect to time (t) to obtain the velocity function.

Given position function is s(t) = 5\(t^2\) + 3t + 4

Differentiating s(t) with respect to t:

v(t) = d/dt (5\(t^2\) + 3t + 4)

    = 10t + 3

Now, substitute t=2 into the velocity function to find the instantaneous velocity:

v(2) = 10(2) + 3

    = 20 + 3

    = 23

Therefore, the instantaneous velocity when t=2 is 23 units per time (depending on the units used for t in the original function).

This means that at that particular moment, the object is moving with a velocity of 23 units per time in the direction dictated by the motion equation.

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Answer:

Ecliptic

Explanation:

You asked for the term that is used to describe Earth going around the sun

The ecliptic is the path the sun, moon, and planets take across the sky as seen from Earth. It best defines the plane of the Earth's orbit around the sun. The imaginary line can best be visualized in the days just before full moon.

Hope it helped

Answer: 2.2 seconds!

Explanation:

The answer is approximately 2.2 seconds.

To find this, we can apply the equations of motion for a rolling sphere on an incline. Since the ball is starting from rest, its initial velocity is 0 m/s. We also know the angle of inclination (15.4°) and the distance the ball must travel (4.4m).

Using the equations of motion, we can solve for the acceleration of the ball, which is given by:

a = g*sin(θ)

where g is the acceleration due to gravity (9.81 m/s2) and θ is the angle of inclination (15.4°).

So, the acceleration of the ball is:

a = 9.81 * sin(15.4°) = 3.15 m/s2

Now we can use the equations of motion to solve for the time it will take for the ball to travel the 4.4m.

The equation for displacement is given by:

x = 1/2 * a * t^2

Where x is the displacement (4.4m in this case), a is the acceleration (3.15 m/s2) and t is the time.

Rearranging the equation to solve for t, we get:

t = sqrt(2x/a)

Substituting in the values for x and a, we get:

t = sqrt(2*4.4/3.15) = 2.2 s

Therefore, it will take the basketball approximately 2.2 seconds to roll 4.4m down the incline.

The minimum gap between the automobiles is 16.9 feet, according to the supplied statement, in order to prevent a collision.

The size or extent of the displacement between two points is referred to as distance. Keep in mind that perhaps the difference between two and indeed the distance travelled between them are not the same. The length of the entire journey taken to go from one point to another is the distance travelled.

For B;

\(\begin{aligned}(\rightarrow) \quad v & =v_0+a_c t \\v_B & =60-12 t \\(\rightrightarrows) & s=s_0+v_0 t+\frac{1}{2} a_c t^2 \\s_B & =d+60 t-\frac{1}{2}(12) t^2\end{aligned}\)

For A;

\(\begin{aligned}& (\stackrel{\rightarrow}{\rightarrow}) \quad v=v_0+a_c t \\& v_A=60-15(t-0.75), \quad[t > 0.75] \\& (\text { 土 }) \quad s=s_0+v_0 t+\frac{1}{2} a_c t^2 \\& \qquad s_A=60(0.75)+60(t-0.75)-\frac{1}{2}(15)(t-0.75)^2, \quad[t > 0.74]\end{aligned}\)

Require \(V_{A} = V_{B}\) the moment of closest approach

60 - 12t = 60 - 15 ( t- 0.75)

t = 3.75 s

The worst case scenario without contact is when \(S_{A} = S_{B}\)

At t = 3.75 s, from eq. (1) and (2),

60(0.75) + 60(3.75 - 0.75) - 7.5(3.75 - 0.75)² = d + 60(3.75) = 6(3.75)²

157.5 = d + 140.62

d = 16.9 ft

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Answer:

gracias

Explanation:

Hello.

Brainly points can be used for better situations, brainly points are experience that you receive by answering well.

(a) The position of the particle as a function of time is given by:

x(t) = A cos(2πft)

where A is the amplitude (2.00 cm), f is the frequency (1.50 Hz), and cos is the cosine function.

Substituting the given values, we get:

x(t) = 2.00 cos(3πt)

(b) The maximum speed of the particle occurs at the equilibrium position, where the displacement is zero. At this point, the velocity is maximum and is given by:

vmax = Aω

where ω is the angular frequency and is equal to 2πf. Substituting the given values, we get:

vmax = 2.00 × 2π × 1.50 = 18.85 cm/s

(c) The earliest time at which the particle has this speed is when it passes through the equilibrium position. This happens at t = 0, so the earliest time is t = 0.

(d) The maximum positive acceleration of the particle occurs at the ends of its motion, where the displacement is maximum. At these points, the acceleration is given by:

amax = Aω^2

Substituting the given values, we get:

amax = 2.00 × (2π × 1.50)^2 = 282.74 cm/s^2

(e) The earliest time at which the particle has this acceleration is when it reaches the maximum displacement. This happens at t = 1/4T, where T is the period of the motion. The period is given by:

T = 1/f = 2/3 s

So, t = 1/4T = 1/4 × 2/3 = 0.33 s

(f) The total distance traveled by the particle between t = 0 and t = 1.00 s is equal to one complete cycle of its motion. The distance traveled in one complete cycle is equal to four times the amplitude, or:

4A = 8.00 cm

Therefore, the total distance traveled is:

8.00

Answer:

The stone is accelerating at 9.8 m/s².  If we multiply that by three seconds, we get 29.4 m/s.

"Air pressure is lower at high altitudes, causing water to boil at a lower temperature and food to cook slower."

Air pressure decreases as altitude increases, which affects the boiling point of water.

At sea level, water boils at 212°F (100°C), but at high altitudes, the lower air pressure means that water boils at a lower temperature.

As a result, food cooked at high altitudes takes longer to cook because the temperature is lower.

Additionally, the lower air pressure affects the effectiveness of leavening agents like yeast and baking powder, resulting in less rise in baked goods.

To compensate for the longer cooking times, recipes may need to be adjusted by increasing cooking times or reducing oven temperatures.

It is important to consider altitude when cooking to ensure that food is cooked thoroughly and properly.

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Answer:

The correct answer is Separating soils by grain size. Among all the other choices, this is the aspect of soil characteristics in which a soil triangle is used for.

Explanation:

Answer:

5476.86 °F

Explanation:

Temp (F) + 273.15 = Temp (K)

Temp (F) + 273.15 = 5750 K

5750 K - 273.15 = 5476.85 °F

Answer:

i need help

Explanation: