Body of mass 5kg is moving with a velocity 10m/s Find its kinetic energy Find the ratio - Science - Work and Energy

Question

Body of mass 5kg is moving with a velocity 10m/s Find its
kinetic energy Find the ratio of initial kinetic energy and final
kinetic energy if (a) mass is doubled (b) it's velocity is made
three times

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Body of mass 5kg is moving with a velocity 10m/s . Find its kinetic energy. Find the ratio of initial kinetic energy and final kinetic energy if (a) mass is doubled (b) it's velocity is made three times