A continuous stream of particles, of mass `m` and velocity `r`, is emitted from a source at a rate of `n` per second. The particles travel along a straight line, collide with a body of mass `M` and get embedded in the body. If the mass `M` was originally at rest, its velocity when it has received `N` particles will beA. `(mvn)/(Nm + n)`B. `(mvN)/(Nm + M)`C. `(mv)/(Nm + M)`D. `(Nm + M)/(mv)`

A continuous stream of particles, of mass `m` and velocity `r`, is emi

1.	A continuous stream of particles, of mass `m` and velocity `r`, is emitted from a source at a rate of `n` per second. The particles travel along a straight line, collide with a body of mass `M` and get embedded in the body. If the mass `M` was originally at rest, its velocity when it has received `N` particles will beA. `(mvn)/(Nm + n)`B. `(mvN)/(Nm + M)`C. `(mv)/(Nm + M)`D. `(Nm + M)/(mv)`
Answer» Correct Answer - B `Nmv = (M + Nm)v_(f) rArr v_(f) = (mvN)/(M + Nm)`

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