Collision 2

This experiment is,

You can experiment with heavy golf balls and light ping pong balls.
Put a ping pong ball on top of the golf ball and drop it as it is. The golf ball hits the floor first. As the golf ball bounces, it collides head-on with the falling table tennis ball.
At this time, the table tennis ball collides with the golf ball and receives a large amount of momentum from the golf ball. The ping pong ball bounces high with this energy.

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