Two particles which are initially at rest, move towards each other
under the action of their internal attraction. If their speeds are v and 2v
at any instant, then the speed of centre of mass of the system will be :
(a) 2v (b) zero
(c) 1.5 (d) v
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Answer:
b is the answer of this question
Answered by
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Answer:
b) zero
Explanation:
net external force= 0
hence there will be no change in position of centre of mass with respect to body.
conclusion:
speed of centre of mass=0
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