Suppose you throw a ball vertically into the air. At the exact instant that the ball reaches its highest position, select from the choices below the most accurate description of
-The ball's instantaneous velocity.
A) Upward
B) Downward
C) Zero
D) Other (specify)

Question

Quizplus · Accepted Answer

At the highest point of its trajectory, the ball's instantaneous velocity is zero because it momentarily stops moving upward before it starts to fall back down.

Suppose You Throw a Ball Vertically into the Air