A 10-kg toy truck moves at 5 m/s East. It collides head-on with a 5-kg toy car moving at 10 m/s, West. What is the total momentum of the
system?

0 kg m/s
50 kg m/s
30 kg m/s
10 kg m/s

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

What is the angular momentum of the bar about the axle?