Asked by Amber

A ball bounces to 45 percent of its original height.
What fraction of its mechanical energy is lost each time it bounces?
What is the coefficient of restitution of the ball-floor system?
Answered by drwls
(a) 55% is lost and 45% is kept after each bounce.
(b) 0.45
Answered by Amber
Your answers are incorrect. But thank you for your help. :)
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