A particle of mass m strikes a disc of r...

A particle of mass `m` strikes a disc of radius `R` and mass `m` with a speed `u` as shown in the figure. What is the speed of the particle just after the collision if the collision is perfectly inelastic ?

`(usqrt(21))/(4)`

`(usqrt(19))/(4)`

`(usqrt(19))/(8)`

`(usqrt(21))/(8)`

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AAKASH INSTITUTE ENGLISH-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - B) Objective Type Questions (One option is correct)

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