4.19 A shell of mass 0.020 kg is fired by a gun of mass 100 kg

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Linear Momentum · Linear Momentum

Problem

4.19 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 \mathrm{~m} \mathrm{~s}^{-1}

, what is the recoil speed of the gun ?