3) A moving body of mass of 60 joule of kinetic energy. Calculate its speed 4) A force acts on a body of mass 10 kg if the velocity of the body changes from 5m per sec to 3m per sec than what is the work by the force on the body? Plz reply me fast in Thorraly very urgent
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we used work energy principle
i.e total work done=change in kinetic energy
i.e total work done=change in kinetic energy
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