A 230-kg child on a 300-m-long swing is released from rest, Ask an Expert

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A 23.0-kg child on a 3.00-m-long swing is released from rest when the ropes of the swing make an angle of 33.0° with the vertical

a. Neglecting friction, find the child's speed at the lowest position.

b. If the actual speed of the child at the lowest position is 2.70 m/s, what is the mechanical energy lost due to friction.

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Category:- Physics
Reference No.:- M9906435

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