From a rifle Mass 4 kg, a bullet of mass 50g is fired with an initial velocity of 35m/s. Calculate the initial recoil velocity of the rifle

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Solution

M = 4 kg m = 50 gms
v = 35 m/sec

initial momentum of rifle and bullet together = 0. So as per the conservation of linear momentum,
0 = M * (-V) + m v
=> 0 = 4 * (-V) + 50/1000 * 35

V = 0.4375 m/sec recoil velocity

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From a rifle Mass 4 kg, a bullet of mass 50g is fired with an initial velocity of 35m/s. Calculate the initial recoil velocity of the rifle

M = 4 kg m = 50 gms v = 35 m/sec initial momentum of rifle and bullet together = 0. So as per the conservation of linear momentum, 0 = M * (-V) + m v => 0 = 4 * (-V) + 50/1000 * 35 V = 0.4375 m/sec recoil velocity

M = 4 kg m = 50 gms
v = 35 m/sec

initial momentum of rifle and bullet together = 0. So as per the conservation of linear momentum,
0 = M * (-V) + m v
=> 0 = 4 * (-V) + 50/1000 * 35

V = 0.4375 m/sec recoil velocity