NEET Class neet Answered
A gun of mass M fires a shot of mass m.the ratio of energy of recoil of the gun to the energy of the shotis
Asked by reebageorgetcr | 19 Oct, 2021, 09:43: PM
Expert Answer
If v is velocity of shot , then recoil velocity V of gun is determined from momentum conservation
M × V = - m × v ........................ (1)
where m is mass of shot and M is mass of gun.
Hence magnitude of recoil velocity V = ( m / M ) v ...................... (2)
Ratio of kinetic energy = [ (1/2) M V2 ] / [ (1/2 ) m v2 ] .................(3)
By substituting V from eqn.(2) , we get ratio of kinetic energy from eqn.(3) as
Ratio of kinetic energy = m / M
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