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3 years ago

PLEASE HELP Due Today!

Physics

1 answer:

GuDViN [60]3 years ago

5 0

Answer: The statement when the motion energy of an object changes, energy is being transferred is true.

Explanation:

Motion energy is also called mechanical energy and it is the summation of kinetic energy and potential energy stored in an object required for work.

As kinetic energy is the energy acquired due to motion of an object and potential energy is the energy acquired by an object due to its position.

For example, when a moving ball strikes another ball causing it to move then energy is being transferred from one ball to another.

Therefore, the statement when the motion energy of an object changes, energy is being transferred is true.

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Ivan

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6 0

3 years ago

Read 2 more answers

Work may be measured using units of A.watts B.newton C.joules D.newtons per second

DochEvi [55]

If you are working with electricity most people will measure it in watts.

So, A. watts is your best answer.

Hope I helped! ^w^

3 0

4 years ago

Explain why a schoolbus appears to be yellow.

Dennis_Churaev [7]

I think the answer is B.

4 0

4 years ago

A 1.2 nf parallel-plate capacitor has an air gap between its plates. Its capacitance increases by 3.0 nf when the gap is filled

Damm [24]

Answer:

2.5

Explanation:

The capacitance of a parallel-plate capacitor filled with dielectric is given by

$C=kC_0$

where

k is the dielectric constant

$C_0$ is the capacitance of the capacitor without dielectric

In this problem,

$C_0=1.2 nF$ is the capacitance of the capacitor in air

$C=3.0 nF$ is the capacitance with the dielectric inserted

Solving the equation for k, we find

$k=\frac{C}{C_0}=\frac{3.0 nF}{1.2 nF}=2.5$

3 0

3 years ago

Read 2 more answers

There is a 3-kg toy cart moving at 4 m/s. Calculate the kinetic energy of the cart.

m_a_m_a [10]

The kinetic energy of the cart is 24 J.

Explanation:

The acceleration of a given mass from rest to the velocity is known as kinetic energy. It gains energy from acceleration and remains in this state until the speed of the object changes.

The kinetic energy is the given by,

K.E = 1/2 mv^2

Given the mass m = 3 kg, v = 4 m / s.

K.E = 1/2 $\times$ 3 $\times$ (4)^2

K.E = 24 J.

5 0

3 years ago