Two equal mass balls (one green and the other yellow) are dropped from the same height and rebound off of the floor. The yellow ball rebounds to a higher position. Which ball is subjected to the greater magnitude of impulse during its collision with the floor?

A object moves to the right at . It collides head on with a object moving to the left at . Which statement is correct?

A ball is thrown west at and collides with a ball while in the air. If the balls stick together in the crash and fall straight down to the ground, what was the velocity of the second ball?

A ball moving at strikes a ball at rest. After the collision the ball is moving with a velocity of . What is the velocity of the second ball?