Question

This model shows a ball being shot from the cannon. Which of these statements accurately describes the energy of the cannonball? Select ALL that apply. A) The kinetic energy is lowest at point E. B) The potential energy is lowest at point E. C) The kinetic energy is greatest at point C. D) The potential energy is greatest at point C. E) The ball changes from kinetic to potential energy at point A.

Answer 1

The potential energy of the model will be the greatest at point C while it will be the least at point E. Option B and D are correct.

What is potential energy?

The potential energy of an object is due to its position. It can be given as the formula,

$U = mgh$

Where,  

$U$ - potential energy

$m$ - mass

$g$ - gravitation acceleration

$h$ - height

From the formula since the mass and gravitation acceleration is constant, the potential energy of the model will depend upon the height only.

The potential energy will be greatest at point C because the relative position of the ball is the highest from the earth.

The potential energy will be lowest at point E because the height of the ball is the least in this position.

Therefore, the potential energy of the model will be the greatest at point C while it will be the least at point E.

Learn more about kinetic energy:

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