Question

When is it possible for velocity to be zero for an object that would be in motion?

Answer 1

When object is changing direction vertically. It's pretty easy to think one up.

Explanation:

While velocity is a measure of speed in a vector, acceleration measures the change of speed (also in a vector).

If velocity is `0`, that means the object is not moving, but with acceleration present, there is a force acting on the object.

A common example is the vertex of an inverted parabola (along the `x`-axis). Velocity slows to a halt, but is subjected to an acceleration of `9.8` `m/s^2` `["down"]`.

Hope this helps :)