Two particles A and B initially at rest, move towards each other by mutual force of…
Physics · NEET · NTA Exams — Rotational motion
Two particles A and B initially at rest, move towards each other by mutual force of attraction. At the instant when the speed of A is v and the speed of B is 2v, the speed of the centre of mass of the system is
- \(3 \mathrm{v}\)
- \(v\)
- \(1.5 \mathrm{v}\)
- zero
Answer
(D) zero
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