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Grade 11Mechanics

Please answer Q no. 3.......................... Image below

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Profile image of Utkarsh
8 Years agoGrade 11
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Profile image of Aman gohel
8 Years ago
According to work energy theorem the amount of work done on the body is equal to increase/decrease in kinetic energy.P.E at highest point,=mghP.E at lowest point,=0Change in energy=work done by friction,=mgh(proved)