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.