Question

Suppose that you wanted to close a door by throwing a ball at the door. one ball will bounce off the door in a perfectly elastic collision while the other ball is made of clay and will stick to the door. each ball has the same mass and hits the door with the same velocity. which method will close the door quicker. explain.

Answer 1

The perfect elastic Collision ball will hit the door first because the clay is heavier and will take more time