4. You let go of a 0.3kg ball from a height of 2m. When the ball bounces off the ground, it loses 15% of its energy as sound. a How high does the ball bounce back up after hitting the ground? b. What initial velocity would the ball need to be thrown dowwnward at so that it would bounce back up to a maximum height of 2m?

4. You let go of a 0.3kg ball from a height of 2m. When the ball bounces off the ground, it loses 15% of its energy as sound. a How high does the ball bounce back up after hitting the ground? b. What initial velocity would the ball need to be thrown dowwnward at so that it would bounce back up to a maximum height of 2m?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 67AP: An archer pulls her bowstring back 0.400 m by exerting a force that increases uniformly from zero to...

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