If your friend said that kinetic energy was changing to potential energy at point c, how would you respond?

a) your friend is correct.

b) your friend is incorrect, at this point, the cannon ball just has kinetic energy.

c) your friend is incorrect, at this point, the cannon ball just has potential energy.

d) your friend is incorrect, at this point, the cannon ball is converting kinetic to potential energy.

C.  Your friend is incorrect, at this point, the cannon ball just has potential energy.

Explanation:

Potential energy is the kind of energy that an object has due to its position.

The unit for energy in the International System of Units (SI) is the joule, which has the symbol J.

Potential energy is usually related to forces that act on a body in a way that the total work done by these forces on the body depends only on the initial and final positions of the body in space.

These forces, receive the name of conservative forces and can be represented at every point in space by vectors expressed as gradients of a certain scalar function called potential.

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