PhysicsMotionJAMB
A 2 kg trolley moving at 6 m/s hits a stationary 4 kg trolley and they move together. Find their common velocity.
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Answer: D. 2 m/s
2 × 6 = (2 + 4)v, so v = 2 m/s.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.