two particles of mass 2 kg and 1 kg are moving along the same line in same direction with Speed 2 metre per second and 5 metre per second respectively what is the speed of centre of mass of the system
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Answer:
9/7
Explanation:
velocity of the centre of mass= M1xv1 +M2xv2/M1+M2
2x2+5x1/2+5=9/7
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