Question

a gun of mass 5 kg and bullet of mass 20 g.if the bullet leave the gun with a velocity of 100m/s with what velocity will the gun retreat​

Answer 1

Answer:

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Explanation:

M gun* V+M bullet *V bullet =0

5*V+20*100=0

5*V*100=0+20

5*V*100=20

5*V=20/100

5*V=1/5

V = 1/5 *5

V = 1