Lakhmir Singh Solutions Class 9 Physics Solutions for Exercise in Chapter 2 - Force and Laws of Motion

Question 74 Exercise

A 60g bullet fired from a 5kg gun leaves with a speed of 500 m/s. Find the speed with which the gun recoils.



Mass of bullet, m1 = 60g = 0.06 kg

Velocity of bullet, v1 = 500 m/s

Mass of gun, m2 = 5 kg

Recoil velocity, v2 = ?

m1v1 = m2v2

Therefore, v2 = 6 m/s

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