Physics, asked by masterankit1469, 17 days ago

A 50 kg girl is swinging on a swing from rest.then the power delivered when moving with a velocity of 2m/s upwards in a direction making an angle 60* with the vertical is?

Answers

Answered by PurvikaS

1

Answer:

power = tension×velocity

P=t×v

T=Fgcosθ=mgcosθ=50×9.8×cos60

v=2m/s

∴P=(50×9.8×cos60)×2

P = 490W

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