Q

An object of mass 3 kg initially at rest is subjected to a constant force of 9 N for 2 seconds. What will be its final velocity?

RRB JE 19/02/2026 / 12:45 PM - 2:15 PM 2026
✓ Answer: D 6 m/s
Using F = ma, a = 9/3 = 3 m/s². From v = u + at, with u = 0 and t = 2 s, v = 6 m/s.
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