A shell of mass 0.020 kg is fired by a g...

A shell of mass 0.020 kg is fired by a gun of mass 100 kg. If the muzzle speed of the shell is `80 m s^(-1)` , what is the recoil speed of the gun ?

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Verified by Experts

Use momentum conservation : `100 v = 0.02 xx 80`
` v = 0.016 ms^(-1) = 1.6 cm s^(-1)`

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