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OpenStudy (anonymous):
A ball is dropped vertically from a height of 1.5 m; it bounces back to a height of 1.3 m. Does this violate the law of conservation of energy? Explain.
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OpenStudy (anonymous):
...No. The energy loss upon conversion to sound, heat, etc. should still be more than enough for very elastic balls to bounce to 1.3m.
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