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A pendulum of length 2 m lift at P . Whe...

A pendulum of length 2 m lift at P . When it reaches Q , it losses 10% of its total energy due to air resistance. The velocity at Q is

A

6 m/sec

B

1 m/ sec

C

2 m/sec

D

8 m/sec

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The correct Answer is:
A
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