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A pendulum bob has a speed 3m/s while pa...

A pendulum bob has a speed 3m/s while passing thorugh its lowest position. What is its speed when it makes an angle of `60^0` with the vertical? The length of the pendulum is 0.5m Take `g=10 m/s^2`.

A

3 m/s

B

`1/3 m//s`

C

`1/2 m//s`

D

2 m/s

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The correct Answer is:
D
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