A bead of mass
m slides on a hemispherical surface with a velocity
v at an angular position
θ. If the coefficient of friction between the bead and hemispherical surface is
μ, Find the magnitude of Angular momentum of the bead about
O in the position shown.
![1209228_cd5eecf037be4ae286e837766538403b.PNG](https://search-static.byjusweb.com/question-images/toppr_ext/questions/1209228_cd5eecf037be4ae286e837766538403b.PNG)