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The 'e' Equation

A body is dro...

Question

A body is dropped from a height of 20m and rebounds to a height 10m. The loss of energy is.

A

10%

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B

45%

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C

50%

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D

75%

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Solution

The correct option is C 50%
Since the new height gained is half, therefore there is 50% loss of energy.

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