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A block of mass m moves with a velocity v towards a stationary block of mass M on a smooth horizontal surface. Initial velocity of block of m w.r.t Centre of Mass of system?

A block of mass m moves with a velocity v towards a stationary block of mass M on a smooth horizontal surface.  Initial velocity of block of m w.r.t Centre of Mass of system?

Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
Vcom = (M*0 + m*v)/(M+m) = > mv/(M+m) m/s.           
Initial velocity of block of m w.r.t Centre of Mass of system
= > v – Vcom
=> v – mv/(M+m)
=> [Mv + mv – mv]/(M+m)
=>Mv/(M+m) m/s.

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