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a machine gun has a mass of 20 kg.it fires30g bullets at rate 400m/s.what force must be required to keep the gun in position. a machine gun has a mass of 20 kg.it fires30g bullets at rate 400m/s.what force must be required to keep the gun in position.
For gun bullet system momentum will remain conserved(0.03) *400 +20*(-v)=0V=0.6m/sBy using force =change in momentum(for gun)F=(0.6)*20=12N
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