what is elastic potential energy? is there anything around you now that possesses elastic potential energy? g

Answer:

Social-culture

Explanation:

Answer:

For metric-system conversions, follow this method: Sound travels at about 340 m/s, so multiply the number of seconds you counted by 340, and you'll know how many meters away lightning struck. A three-second count, then, would place the lightning strike about 1,020 m away, or roughly 1 km.

Explanation:

hope it hep and if it doesnt sorry

The distance struck by the lighting flashes is 680 m.

The given parameters;

The distance struck by the lighting is calculated by applying the principle of echo as follows;

\(v = \frac{2d}{t} \\\\2d = vt\\\\d = \frac{vt}{2} \\\\d = \frac{340 \times 4}{2} \\\\d = 680 \ m\)

Thus, the distance struck by the lighting flashes is 680 m.

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The impulse (J) is defined as the product of the force (F) and the time (Δt) for which it is applied:

J = FΔt

Substituting the given values, we get:

J = 10 N × 2.5 s = 25 N·s

Therefore, the impulse when an average force of 10 N is exerted on a cart for 2.5 s is 25 N·s.

Answer: 72

Explanation: just cuz

Answer:

The electric field and electric potential are important concepts that can be used to describe the interaction and distribution of electric charges and forces.

Answer:

Ionic compounds conduct electricity when dissolved in water

Explanation:

We can't tell what they're pouring glue on, but I would go for B since homogenous means of the same, and none of them are mixing things that are the same.

The calculations for the given circuit with a coil of inductance 50mH and resistance 5Ω connected to a 110V DC supply are as follows:

(i) The final current is 22A.

(ii) the current after 4ms is approximately 17.55A.

(iii) the voltage across the resistor after 6ms is 87.75V.

(iv) the voltage across the inductance after 6ms is 22.25V.

(v) The current reaches 15A at approximately 6.29ms.

Given:

Inductance (L) = 50 mH = 50 × \(10^{-3\) H

Resistance (R) = 5 Ω

Supply voltage (V) = 110 V

(i) Final value of current:

I_f = V / R

I_f = 110 / 5

I_f = 22 A

(ii) Value of current after 4 ms:

τ = L / R

τ = (50 × \(10^{-3\)) / 5

τ = 10 × \(10^{-3\) = 10 ms

t = 4 ms = 4 × \(10^{-3\) s

I = I_f × (1 - \(e^{(-t/\tau)\))

I = 22 × (1 - \(e^{(-4 * 10^{-3} / 10 * 10^{-3})\))

I ≈ 17.55 A

(iii) Value of voltage across the resistor after 6 ms:

t = 6 ms = 6 × \(10^{-3\) s

V_R = I × R

V_R = 17.55 × 5

V_R = 87.75 V

(iv) Value of voltage across the inductance after 6 ms:

V_L = V - V_R

V_L = 110 - 87.75

V_L = 22.25 V

(v) Time when the current reaches 15 A:

I_target = 15 A

t = -τ × ln((I_f - I_target) / (I_f))

t = -10 × \(10^{-3\) × ln((22 - 15) / 22)

t ≈ 6.29 ms

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Answer:

The medical Univision it helped the sick. The Xperia Logitech helped the prople that have no arms.Explanation:

When a refrigerant is compressed and condensed, it condenses back into a liquid, giving up heat to the outside air (option A)

Condensation is the process by which a gas or vapor transitions into a liquid. This occurs when the temperature of the gas or vapor is cooled to the point where its molecules lose energy and move closer together, allowing them to bond and form a liquid.

For example, when water vapor in the air is cooled, it can condense into liquid water droplets on a cold surface such as a window or a cold drink. Similarly, when a refrigerant gas is compressed and cooled in a condenser, it can condense into a liquid state.

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Option (B) many

According to the lesson, it can be said that many adults have some of the same problems with sleep that Bailey does.

Sleeplessness is one of the most common issues, every second adult or a teenager is facing now a days. Due to a lot of responsibilities, we end up having little time for sleep and this in turn affects our body functions.

Good sleep hygiene is often recommended to improve sleep quality, which  also helps in alleviating anxiety due to work load and responsibilities.

Answer is Option (B) many

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Potable water is fit for drinking. Option E

Potable water is water that is safe for human consumption and considered fit for drinking. It is free from harmful bacteria, viruses, chemicals, and other contaminants that can cause health problems.

Potable water can come from different sources such as groundwater, surface water, or treated wastewater, and it is typically treated and disinfected to ensure its safety before being distributed to consumers.

Portable water isn't known as industrial wastewater, irrigation water, groundwater and sewage.

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(a) The mechanical advantage of the ramp is determined as 2.5.

(b) The pulley provides additional advantage since it assisted the boy in pulling up the load.

The mechanical advantage of an object is the ratio of output force to input force, hence it is called force ratio.

M.A = Lp/h

where;

M.A = 10/4

M.A = 2.5

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Answer:

i think its  Russia, USA, Germany.

If a metal ball is suspended by a rod , the forces acting on the system are balanced so there is no motion observed in the system and this is because of the upward tension in the rod .

Option 1 says : the tension in the rod

The gravitational pull that is acting downwards direction and the tension in rod that is acting in a anti parallel direction to the gravitational pull . being on the same line of action and in opposite directions , these forces cancels each other out .

Option 2 says : the friction of rod

Friction acts in cases of contact forces like a drag or pull not in cases of non-contact forces like gravity , thus friction can't balance it .

Option 3 says : the electromagnetic force

There are no charges or magnets present in the system so the electromagnetic force is absent in this case Thus they cant balance the gravitational force.

Option 4 says : the strong force around the rod

The strong force around is not on the line of action of the gravitational pull so it cant balance it.

So out of all the forces only the tension present in the rod is able to balance the gravitational force

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Answer:

a

The height is   \(H  = 6.74 \  m \)

b

The horizontal distance is  \(D  = 23.74 \  m \)

Explanation:

From the question we are told that

  The speed is  \(v  =  15 \  m/s\)

  The angle is  \(\theta  =  40^o\)

   The height of the cannon from the ground is  h  =  2 m

  The distance of the net from the ground is k  =  1 m

Generally the maximum height she reaches is mathematically represented as  

     \(H  =  \frac{v^2 sin^2 \theta }{2 *  g }  +  h\)

=>    \(H  =  \frac{(15)^2 [sin (40)]^2 }{2 * 9.8}  +  2\)

=>    \(H  = 6.74 \  m \)

Generally from kinematic equation  

    \(s = ut + \frac{1}{2} at^2\)

Here s is the displacement which is mathematically represented as

         s  =  [-(h-k)]  

    =>  s =  -(2-1)

    =>  s  = -1 m

There reason why s =  -1 m is because upward motion canceled the downward motion remaining only the distance of the net from the ground which was covered during the first half but not covered during the second half

     a =  -g = -9.8

    \(u  =  v sin (\theta)\)

So

    \(-1 = (vsin 40 )t + \frac{1}{2} * (-9.8) t^2\)

=>  \(-4.9t^2 + 9.6418t + 1 = 0\)

using  quadratic formula to solve the equation we have

    \(t  =  2.07 \  s\)

Generally distance covered along the horizontal is  

   \(D  =  v cos (40) *  2.07\)

=>   \(D  =  15 cos (40) *  2.07\)

=>   \(D  = 23.74 \  m \)

The displacement from Rhonda's car to her campsite 257 m, 34.4° north of west.

Most campgrounds have picnic tables, a place to park your car, and a place to pitch your tent. Bathrooms and taps are often shared. One of the joys of camping is the lack of outdoor gear. But it's also nice to have a comfortable, convenient and cozy campsite. A tent is a small shelter for sleeping while camping.

Camps are areas with tents campfires and surroundings. There are many types of camping but the main methods of camping are backpacking auto-camping and glamping. These top three camping styles have options for every level of camper. Front country camping is also called auto camping because you can drive to the campground. These campsites usually have running water and modern washrooms.

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Kinetic energy is the kind of energy mentioned. The energy an object has as a result of its motion is known as kinetic energy.

Sound is a pressure density wave, whereas light is an electromagnetic wave. Sound must pass through a medium in order to be heard, but light does not. Sound energy is a continuous stream of energy on the scale while light energy is quantized into packets of energy called photons.

Sound is the longitudinal (compression or rarefaction) wave-based transfer of energy through materials. When a force causes an object or substance to vibrate, sound is created. That is to say, the substance serves as a conduit for the energy.

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The type of energy mentioned is kinetic energy. Kinetic energy is the energy that an object has as a result of motion.

Light is an electromagnetic wave, whereas sound is a pressure density wave. Light does not require a medium for transmission, but sound must. On the scale, sound energy flows continuously, whereas light energy is quantized into units of energy called photons.

The longitudinal wave-based transport of energy through materials is known as sound. Sound is produced when a force causes an item or substance to vibrate. In other words, the substance acts as a conduit.

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____________ energy the energy of motion, observable as the movement of an object or subatomic particle. Every moving object and particle have this energy. A person walking, a soaring baseball, a crumb falling from a table and a charged particle in an electric field are all examples of this energy at work.

What type of energy is described above? A. sound energy B. light energy C. heat energy D. kinetic energy

The final speed of the motorcycle is: 67 m/sec

Velocity is the pace and direction of an item's movement, whereas speed is the time rate at which an object is travelling along a route. In other words, although velocity is a vector, speed is a scalar quantity.

Given that,

initial speed of the motorcycle, u=25 m/sec

Acceleration of the motorcycle, a = 7 m/sec²

According to the equation of motion,

v = u + at

v = 25 m/sec + (7m/sec²) × (6 sec)

v = 67 m/sec

Thus, final speed of the motorcycle is: 67 m/sec

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To determine the kinetic energy of the bicycle tire, we can use the formula:

Kinetic energy (K.E.) = (1/2) * moment of inertia * angular velocity^2

Number of revolutions (N) = 10.0 rev

Moment of inertia (I) = 0.18 kg m^2

Angular acceleration (α) = 0.23 rad/s^2

Number of revolutions (N) = 10.0 rev

Moment of inertia (I) = 0.18 kg m^2

First, let's convert the number of revolutions to radians:

10.0 rev * (2π rad/1 rev) = 20π rad

Next, we can use the formula for angular acceleration to find the angular velocity (ω):

α = ω^2 - ω_0^2

Since the tire starts from rest, ω_0 = 0.

0.23 rad/s^2 = ω^2 - 0^2

ω = sqrt(0.23 rad/s^2) ≈ 0.479 rad/s

Now, we can calculate the kinetic energy using the formula:

K.E. = (1/2) * I * ω^2

K.E. = (1/2) * 0.18 kg m^2 * (0.479 rad/s)^2

K.E. ≈ 0.043 J

Therefore, the kinetic energy of the bicycle tire when it has made 10.0 revolutions is approximately 0.043 Joules.

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Answer:6CO2 + 6H20 + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy from light produces glucose and oxygen

Explanation:

The pressure difference is 562.1 Pa.

The pressure difference can be calculated using the equation:

\(ΔP = 1/2 * ρ * v^2\), where \(ρ\) is the air density and \(v\) is the wind speed.

Air density at sea level = 1.225 kg/m^3.

To convert the wind speed from km/hr to m/s, divide by 3.6.

The pressure difference can then be calculated as follows:

\(ΔP = 1/2 * 1.225 kg/m^3 * (110 km/hr / 3.6)^2\)

\(ΔP = 1/2 * 1.225 kg/m^3 * (30.56 m/s)^2\)

\(ΔP = 1/2 * 1.225 kg/m^3 * 935.24 m^2/s^2\)

\(ΔP = 562.1 Pa\)

So, the pressure difference is approximately 562.1 Pa.

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The given question is incorrect. The correct question is given as:

A hurricane wind blows across a 5.90 mm ×× 13.2 mm flat roof at a speed of 110 km/hr. What is the pressure difference?

:

Please give me brainly,

The thermal energy of an object depends on three things: 4 the number of molecules in the object 4 the temperature of the object (average molecular motion) 4 the arrangement of the object's molecules (states of matter). The more molecules an object has at a given temperature, the more thermal energy it has.

Mass and Temperarture

I am pretty sure that is right if Not sorry

Have a great day.

The electric field exerted by a point charge is given by:

where q is the charge and r is the distance to the point where we want to calculate the electric field.

In this case we have three charges with the following properties:

Now, the total electric field on a point is the addition of all the charges; in this case we want the net field to be zero. Then we have:

Now, since the last equation does not have a real solution this means that this distribution of charges will not exert a zero electric field on the origin.

Therefore, there's no possible distance for the field to be zero in this charge configuration

The length of the rubber band that the boy must use is 0.024 m or 24 mm.

To determine the length of the rubber band, we can use the formula for the potential energy stored in a stretched spring, which is also applicable to a stretched rubber band:

where U is the potential energy stored in the rubber band, k is the spring constant (or in this case, the rubber band constant), and x is the displacement of the rubber band from its natural length.

Since the rubber band is stretched by 0.25 of its natural length, the displacement x is 0.25 times the natural length of the rubber band.

We can solve for the rubber band constant k by using the formula for the velocity of a projectile launched by a spring (or in this case, a rubber band):

where v is the velocity of the projectile, m is the mass of the rubber band, M is the mass of the projectile, and k is the spring constant. We can rearrange this equation to solve for k:

k = (v² M) / (2 m)

We can now combine the two equations to solve for the length of the rubber band, L:

U = 1/2 k x²

U = 1/2 ((v² M) / (2 m)) (0.25 L)²

U = (v² M L²) / (32 m)

The potential energy stored in the rubber band must be equal to the kinetic energy of the projectile when it is launched:

U = 1/2 M v²

(v² M L²) / (32 m) = 1/2 M v²

L = ((16 m v²) / (k M))

L = ((16 m v²) / ((v² M) / (2 m) M))

L = √(32 m^2 / M)

L = (0.032 M)

Substituting the given values, we get:

L = √(0.032 * 0.006)

L = 0.024 m

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In this circuit, when the switch is in position c, the capacitor is not connected to the circuit and therefore is uncharged. When the switch is flipped to position a, the capacitor starts to charge up to the same potential difference as the battery, which is 9 V. This charging process takes 12 ms.

When the switch is flipped to position b, the capacitor is now connected in parallel with the battery, so the potential difference across the capacitor remains at 9 V. This is because the capacitor is now acting as a voltage source, supplying the same potential difference as the battery.

Finally, when the switch is brought back to position c, the potential difference across the capacitor remains at 9 V because it is still connected in parallel with the battery.

Therefore, the final potential difference across the capacitor is 9 V.

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4. The smaller skater travels at a speed of 1 m/s.

5. The smaller train car was traveling at a speed of 1.5 m/s (or 3/2 m/s) before the collision.

4. According to the law of conservation of momentum, the total momentum of the two skaters is conserved before and after the collision. That is,

m1v1 + m2v2 = m1v1' + m2v2',

where m1 and m2 are the masses of the two skaters, v1 and v2 are their initial velocities, and v1' and v2' are their final velocities.

Since the skaters are initially motionless, we have v1 = 0.

After the collision, the larger skater moves away at a speed of 1 m/s,

so we have v2' = 1 m/s.

Substituting these values into the momentum conservation equation, we get:

60 kg x 0 + 100 kg x v2 = 60 kg x 0 + 100 kg x 1 m/s

Simplifying this equation, we find that v2 = 1 m/s.

Therefore, the smaller skater moves away from the collision with a speed of 1 m/s as well.

Answer: The smaller skater travels at a speed of 1 m/s.

5. Again, according to the law of conservation of momentum, the total momentum of the two train cars is conserved before and after the collision. That is,

m1v1 + m2v2 = (m1 + m2)v',

where m1 and m2 are the masses of the two train cars, v1 and v2 are their initial velocities, and v' is their final velocity.

Since the second train car is initially at rest, we have v2 = 0. After the collision, the combined cars move at a speed of 3 m/s, so we have v' = 3 m/s. Substituting these values into the momentum conservation equation, we get:

4000 kg x v1 + 8000 kg x 0 = (4000 kg + 8000 kg) x 3 m/s

Simplifying this equation, we find that v1 = 3/2 m/s.

Answer: The smaller train car was traveling at a speed of 1.5 m/s (or 3/2 m/s) before the collision.

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Let d2 be the hole's diameter. Therefore, the coefficient d2 = d1 (1 + alpha dt) remains constant.

Since a circle's center must be the longest distance between any two points on the circle, the diameter is essentially twice as large as the radius. The distance around a circle or the duration of a circuit along a circle can be used to define its circumference.

The distance that runs through the center of a circle through one point on its surface to another is known as the diameter of the circle.

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The moment when the coffee filter fall from the upward, it is in the equilibrium.

A coffee filter is falling through the air after being released from a specific height. The filter accelerates for a time and rotates a bit so that the bottom of the filter is facing down, but then reaches a terminal velocity. Now, it is continuing to fall at a constant speed without tipping or rotating. When it is falling from the height, the gravitational force acting on it and the air resistance acting on it balances out each other. Then there is no net force on the coffee filter that is acting on it either ways. When the filter is going downwards many are the forces they are working on it, but when it is going down all the forces acting on it got cancel out and only the net forces acting on majorly cancel each other effect and it nullifies them and their effect and we got a net zero force on it. Hence, we can conclude that at the moment, when the coffee filter is falling from the height the forces are balance out and there is no net force and the coffee cup is in equilibrium.

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Answer:

67408*10-11m3kg-1s-2

Answer:

6.673×10^-11

Explanation: