A 43 kg child on a 2.2 m long swing is released from rest when the swing supports make an angle of 31 with the vertical. The acceleration of gravity...

A 43 kg child on a 2.2 m long swing is releasedfrom rest when the swing supports make anangle of 31◦ with the vertical.The acceleration of gravity is 9.8 m/s2.If the speed of the child at the lowest position is 2.21972 m/s, what is the mechanical energy dissipated by the various resistiveforces (e.g. friction, etc.)?Answer in units of J