Two particles of mass 2kg and 1kg are moving along the same line and same direction with speeds 2 m/s and 5 m/s respectively. what is the speed of centre of mass of the system?
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Consider
Vc as the velocity of centre of mass of the system.
If m1 and m2 are mass of two particles and m1v1 and m2v2 are their speeds.
So, we can say:
(m1 + m2) Vc = m1 v1 + m2 v2
So,
Vc = 9/3 = 3 m/sec.
Hence the velocity of centre of mass is 3 metre per second.
Vc as the velocity of centre of mass of the system.
If m1 and m2 are mass of two particles and m1v1 and m2v2 are their speeds.
So, we can say:
(m1 + m2) Vc = m1 v1 + m2 v2
So,
Vc = 9/3 = 3 m/sec.
Hence the velocity of centre of mass is 3 metre per second.
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