Q

If a 2 kg ball initially at rest is pushed with a force of 8 N for 5 seconds, what is its velocity at the end of 5 seconds?

RRB Group D 21 Aug, 2026 (9:00 AM - 10:30 AM) 2026
✓ Answer: C 20 m/s
Acceleration is a = F/m = 8/2 = 4 m/s². Starting from rest, v = at = 4×5 = 20 m/s.
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