Question

A bullet is fired from a rifle. If the rifle recoils freely then the kinetic energy of the rifle is

Answer 1

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according to conservation of momentum

momentum of gun-momentum of bullet as momentum-mass x
velocity as mass of bullet of is less than mass of gun therefore velocity of bullet is more than velocity of gun as
K.E-1/2 x m x v x v -1/2 x
momentum of gun velocity of bullet
therefore K.E OF BULLET IS MORE THAN OF K.E OF GUN

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