Q

An athlete of mass 60 kg runs at 5 m/s. What is the kinetic energy gained compared to standing still?

RRB Group D 06 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: C 750 J
The correct choice is 750 J. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.
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