Question

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?

Answer 1

Answer:

Then, the power delivered when moving with a velocity of 2ms^(-1) upwards in a direction making an angle 60^(@) with the vertical is. ∴ Power delivered is 490√3W