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A 50 kg girl is swinging on a swing from...

A 50 kg girl is swinging on a swing from rest. Then, the power delivered when moving with a velocity of `2ms^(-1)` upwards in a direction making an angle `60^(@)` with the vertical is

A

980 W

B

490 W

C

`490 sqrt(3)W`

D

245 W

Text Solution

Verified by Experts

The correct Answer is:
B
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