A machine gun with a mass of 5kg fires a 50g bullet at speed of 100ms-1. The recoil speed of the machine gun is - SchoolNGR

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A machine gun with a mass of 5kg fires a 50g bullet at speed of 100ms-1. The recoil ...

A machine gun with a mass of 5kg fires a 50g bullet at speed of 100ms^-1. The recoil speed of the machine gun is

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A 0.5 msec^-1
B 1.5 msec^-1
C 1 msec^-1
D 2 msec^-1
E 4 msec^-1

Correct Answer: Option C

Explanation:
Gun momentum = bullet momentum
5 x v = 0.05 x 100
v = 1 msec^-1

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