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A thin uniform straight rod of mass `2 kg` length `1 m` is free to rotate about its upper end
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Please add description.A thin uniform straight rod of mass `2 kg` length `1 m` is free to rotate about its upper end when at rest. It receives an impulsive blow of `10 Ns` at its lowest point, normal to its lengths as shown in figure. Find the kinetic energy of rod just after impact.
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