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COM in Collision and Explosion

machine gun f...

Question

machine gun fires 10 bullets/s, each of mass 10g, the speed of each bullet is 20 cm/s, then force of recoil is:

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Solution

force of recoil = number of bullets * mass of each bullet * speed of each bullet

= 10 * 10 * 20

= 2000 dyne

= 2000/100000 N = . 02 N

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