Q
A 30 g bullet is fired horizontally at 150 m/s from a 2 kg pistol. Find the pistol's recoil velocity.
RRB Group D; RRB Group D
05/10/2018 / Shift-III; 08/10/2018 / Shift-I
2018
✓ Answer:
A
−2.25 m/s
V = −mv/M = −0.03 × 150/2 = −2.25 m/s.