A solid sphere of mass M and radius R is surrounded by a spherical shell of same
Channel: Doubtnut
Date: 2020-02-16

A solid sphere of mass M and radius R is surrounded by a spherical shell of same mass and radius 2R as shown. A small particle of mass m is relased from rest from a height h`(lt lt R)` above the shell. There is a hole in the shell. Q. In what time will it enter the hole at A