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Grade: 
        two particles of mass 2kg and 1kg are moving along the same line and same direction with speeds 2 meter per second and 5 meter per second respectively. what is the speed of centre of mass of the system?
2 years ago

Answers : (1)

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Arun
23478 Points 
							
Dear Shubhangi
 
Suppose Vc is the velocity of centre of mass of the system so we have,
 
(m1 + m2) Vc = m1 v1 + m2 v2
Vc = 9/3 = 3 m/sec.
 
Hence the velocity of centre of mass is 3 metre per second.
 
Regards
Arun (askIITians forum expert)
2 years ago
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