Q
When a bullet is fired, how does its kinetic energy compare with that of the recoiling gun?
RRB Ministerial & Isolated Categories (Primary Teacher); RRB Group D
11/09/2025 / Shift-II; 22/09/2018 / Shift-I
2025; 2018
✓ Answer:
C
More than the gun
The gun and bullet have equal momentum magnitudes. Since K = p²/(2m), the lighter bullet has greater kinetic energy.