A BALL FALLS A HEIGHT OF 10M,STRIKES THE GROUND AND RISES BACK TO A HEIGHT OF 8M. FIND OUT THE PERCENTAGE LOSS OF MECHANICAL ENERGY
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Initial potential energy Ui=mgh = 10mg final potential enegry Uf = 8gh% loss is given by:Ui-UiUi×10010mg-8mg10mg×10020%
Anonymous:
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