Q

A toy car of mass 0.5 kg moves with speed 2 m/s, Its kinetic energy is:

RRB Group D 21 Aug, 2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: D 1 J
The correct choice is 1 J. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.