You drop a ball from a height of 2.1 m, and it bounces back to a height of 1.3 m.
(a) What fraction of its initial energy is lost during the bounce?
(b) What is the balls speed just before the bounce?
(c) Where did the energy go?
(d) What is the balls speed just after the bounce?
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Energy with Non-Conservative Forces concept. You can view video lessons to learn Energy with Non-Conservative Forces. Or if you need more Energy with Non-Conservative Forces practice, you can also practice Energy with Non-Conservative Forces practice problems.
How long does this problem take to solve?
Our expert Physics tutor, Julia took 5 minutes and 24 seconds to solve this problem. You can follow their steps in the video explanation above.