two particles m and 2m are moving along the same line , with speed 2v and v respectively in the same direction, the speed of centre of mass of system is?
Answers
Answered by
3
Given :
- Two partcles of masses m and 2m are moving with velocities 2v and v in the same direction along same line
To Find :
- The speed of the centre of mass of the system
Knowledge Required :
If two masses m₁ and m₂ are moving with speeds v₁ and v₂ in same direction the speed of the centre of mass of the system is given by ,
Solution :
By comparing the data we have with the formulae we get ,
- m₁ = m , m₂ = 2m
- v₁ = 2v , v₂ = v
Substituting the values we have in the formulae ,
Hence ,
- The speed of the centre of mass of the systen is 1.33v
Answered by
3
- m1 = m
- m2 = 2m
- v1 = 2v
- v2 = v
Putting values ,
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