a machine gun has a mass of 20 kg. it fixes 35g bullets at rate of 4bullets
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The momentum change in one second =
Bullet mass * velocity * rate/second =0.035 * 400 * 400/60 = 93.333 kgm/s
So the rate is 93.333kg.m/s2
1 Newton is 1 kgm/s/s
So the force is 93N, or the weight of 9.3kg
Bullet mass * velocity * rate/second =0.035 * 400 * 400/60 = 93.333 kgm/s
So the rate is 93.333kg.m/s2
1 Newton is 1 kgm/s/s
So the force is 93N, or the weight of 9.3kg
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