A 30.0-kg child slides down a long slide in a play- ground.She starts from rest at a height h₁ of 22.00 m.When she is partway down the slide,at a height h₂ of 13.00 m,she is moving at a speed of 9.10 m/s.Calculate the mechanical energy lost due to friction (as heat,etc.).(in J)

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The Answer of A 30.0-kg child slides down a long slide in a play- ground.She starts from rest at a height h₁ of 22.00 m.When she is partway down the slide,at a height h₂ of 13.00 m,she is moving at a speed of 9.10 m/s.Calculate the mechanical energy lost due to friction (as heat,etc.).(in J)

A 300-Kg Child Slides Down a Long Slide in a Play-