Q

A ball of mass 50 g moves at 15 m/s. Find its kinetic energy.

RRB JE (Stage-II) 22/04/2025 / Shift-I 2025
✓ Answer: C 5.625 J
m = 0.05 kg. K = (1/2)mv² = 0.5 × 0.05 × 15² = 5.625 J.
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