A ball thrown upwards reaches a maximum height and then comes back down to the original level. At the maximum height
A) the velocity and acceleration both point up.
B) the velocity points up and the acceleration down.
C) the velocity points down and the acceleration up.
D) the velocity and acceleration both point down.
E) the velocity is zero.
F) the acceleration is zero.

Question

A ball thrown upwards reaches a maximum height and then comes back down to the original level.  At the maximum height
A) the velocity and acceleration both point up.
B) the velocity points up and the acceleration down.
C) the velocity points down and the acceleration up.
D) the velocity and acceleration both point down.
E) the velocity is zero.
F) the acceleration is zero.

Quizplus · Accepted Answer

At the maximum height, the velocity of the ball is zero because it momentarily stops before reversing direction. However, the acceleration due to gravity always points downward, regardless of the ball's motion.

A Ball Thrown Upwards Reaches a Maximum Height and Then