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The bob of a ...

Question

The bob of a simple pendulum is imparted a velocity 5 ms^–1 when it is at its mean position. To what maximum vertical height will it rise on reaching to its extreme position if 60% of its energy is lost in overcoming friction of air? (Take g = 10 ms^–2)

A

0.5 m

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B

1.0 m

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C

0.75 m

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D

0.1 m

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Solution

The correct option is A
0.5 m

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