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, then the speed of centre of mass of the ystem is-
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Answered by
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As no external force is being applied on the centre of mass.
Therefore, dp/dt =F =0
That is, change in momentum of the centre of mass is 0.
m×v=0
Also, mass of a body can not be 0.
So to satisfy the above equation velocity has to be 0.
Hope it helps.
✌
Therefore, dp/dt =F =0
That is, change in momentum of the centre of mass is 0.
m×v=0
Also, mass of a body can not be 0.
So to satisfy the above equation velocity has to be 0.
Hope it helps.
✌
Answered by
0
Answer:
zero
Explanation:
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