A ball falls to the ground from height h and bounces to height h'. Momentum is conserved in the ball-earth system A) no matter what height h' it reaches. B) only if h' h. E) only if h' ≥ h.

Question

A ball falls to the ground from height h and bounces to height h'. Momentum is conserved in the ball-earth system
A) no matter what height h' it reaches.
B) only if h' < h.
C) only if h' = h.
D) only if h' > h.
E) only if h' ≥ h.

Quizplus · Accepted Answer

Momentum is always conserved in the ball-earth system regardless of the height h' the ball reaches after bouncing. This is because the law of conservation of momentum applies to all interactions, assuming no external forces act on the system.

A Ball Falls to the Ground from Height H and Bounces