Estimate the child speed at the lowest position

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Reference no: EM13716798

Problem: A 19.0-kg child on a 3.00-m-long swing is released from rest when the ropes of the swing make an angle of 26.0° with the vertical.

Part A: Neglecting friction, find the child's speed at the lowest position?

Part B: If the actual speed of the child at the lowest position is 2.10 m/s, what is the mechanical energy lost due to friction?

I need help to find the mechanical energy lost due to friction.

Reference no: EM13716798

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