if the mass of the body is doubled what happened to its kinetic energy
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It will be 4 times of the initial kinetic energy.
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k:Ei=1/2mv^2 or p^2/2m when mass is m
now mass is doubled then
K:E=1/2×2mv^2
K:E=mv^2 doubled from its intail value
now mass is doubled then
K:E=1/2×2mv^2
K:E=mv^2 doubled from its intail value
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