Q
A stone of mass 0.5 kg is moving with a speed of 8 m/s. Its kinetic energy is ________.
RRB Group D
17 Aug, 2026 (4:30 PM - 6:00 PM)
2026
✓ Answer:
B
16 J
The correct choice is 16 J. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.