Suppose a ball is thrown straight up, reaches a maximum height, then falls to its initial height. Make a statement about the direction of the velocity and acceleration as the ball is going up.
A) Both its velocity and its acceleration point upward.
B) Its velocity points upward and its acceleration points downward.
C) Its velocity points downward and its acceleration points upward.
D) Both its velocity and its acceleration points downward.
E) Neither velocity nor acceleration can be determined without additional information.

Question

Quizplus · Accepted Answer

As the ball is going up, its velocity is upward, but the acceleration due to gravity is always downward.

Suppose a Ball Is Thrown Straight Up, Reaches a Maximum