A block of mass `M` with a semi - circular track of radius `R` rests on a smooth floor.
Channel: Doubtnut
Date: 2020-08-23

A block of mass `M` with a semi - circular track of radius `R` rests on a smooth floor. A sphere of mass `m` and radius `r` is released from rest from `A`. Find the velocity of sphere and track , when the sphere reaches `B`.