A gun fires a bullet with a speed of relative to the ground

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

6\,\text{kg}

gun fires a

30\,\text{g}

bullet with a speed of

400\,\text{m s}^{-1}

relative to the ground. Neglect external forces. What is the magnitude of the recoil speed of the gun? (a)

0.5\,\text{m s}^{-1}

(b)

2\,\text{m s}^{-1}

(c)

0.2\,\text{m s}^{-1}

(d)

12\,\text{m s}^{-1}