Question

A ball thrown vertically upward reaches a certain height and comes down again. What can you say about its kinetic energy at the maximum height?
It is independent of the height.
It is at its minimum but is not zero.
It is at its maximum.
It is zero.

Answer 1

The K.E. at the maximum height is zero, no matter what that height is.

Answer 2

The kinetic energy at the maximum height is zero