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The 'e' Equation

When a ball i...

Question

When a ball is allowed to fall from a height of 20 m, 40% of its energy is lost due to impact. After one impact the ball will go up to a height of

A

8 m

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B

15 m

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C

10 m

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D

12 m

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Solution

The correct option is D
12 m

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