A tennis ball bounces on the floor three times.If each time it loses 22.0% of its energy due to heating,how high does it bounce after the third time,provided we released it 2.3 m from the floor?

Question

Quizplus · Accepted Answer

After the first bounce, the ball reaches a height of 2.3 * 0.78 = 1.794 m.
After the second bounce, the ball reaches a height of 1.794 * 0.78 = 1.399 m.
After the third bounce, the ball reaches a height of 1.399 * 0.78 = 1.09122 m or 109.122 cm, which can be rounded up to 110 cm.

A Tennis Ball Bounces on the Floor Three Times