Two particles A and B initially at rest, move towards each other under a mutual force of…
Physics · JEE Main · NTA Exams — Laws of Motion
Two particles A and B initially at rest, move towards each other under a mutual force of attraction. At the instant when the speed of A is v and the speed of B is 2v, the speed of centre of mass of the system is :
- zero
- v
- 1.5 v
- 3 v
Answer
(A) zero
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