A small head of `m` is pleced in the bottom of which glass of value radius `R
Channel: Doubtnut
Date: 19/01/2020

A small head of `m` is pleced in the bottom of which glass of value radius `R` It is displaced by `(h ltlt R)` along the glass surface and released calculate the total distance described by it before it comes to rst of the botom `mu` is the coefficient of friction between bead and the watch glass