Question

A bullet of mass 20g is fired horizontally with a velocity of 140 m/s from a pistol of mass 3 kg. Find the recoil velocity of the pistol.​

Answer 1

Answer:

=0.75ms  −1

Explanation:

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Answer 2

Answer:

1.5m/s.

Explanation:

Mass of bullet (M) = 0.02 KG

Mass of pistol (m) = 2 KG

Velocity of bullet (V) = 150m/s

According to law of conservation of momentum ,

MV = -MV

0.02 × 150 = -2 × v

v = -1.5 m/s

So, recoil velocity of pistol is -1.5m/s.