A body of mass m is moving with a velocity 5 ms-1 . Its kinetic energy is 25 j. If its velocity is doubled what kinetic energy
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by using 1/2 mv2 u can get its mass then again use this formula and put v = 10m/s
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100 j is the answer
K=1/2 m v². If vel is doubled K.E becomes 4 times the initial value. So 4x25 =100
K=1/2 m v². If vel is doubled K.E becomes 4 times the initial value. So 4x25 =100
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