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from conservation of momentum :
velocity of bullet*mass of the bullet=recoil velocity of the gun*mass of the gun
=>120*0.06=6*v
=>v=1.2ms^-1
now from kinematic equations of motion
v=u+at
a=(v-u)/t
a=(1.2-0)/0.002
a=600
now F=ma=6*600=3600
velocity of bullet*mass of the bullet=recoil velocity of the gun*mass of the gun
=>120*0.06=6*v
=>v=1.2ms^-1
now from kinematic equations of motion
v=u+at
a=(v-u)/t
a=(1.2-0)/0.002
a=600
now F=ma=6*600=3600
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