A small glass marble of mass 'm' oscillates between the two edges, inside a hemispherical glass bowl of radius 'r'. If 'V' is the speed of marble at the lowest position, the normal reaction at that position is

A small glass marble of mass 'm' oscillates between the two edges, ins

1.	A small glass marble of mass 'm' oscillates between the two edges, inside a hemispherical glass bowl of radius 'r'. If 'V' is the speed of marble at the lowest position, the normal reaction at that position is
Answer» `(mv^2)/(R )` `(2mv^2)/(r )` `(3mv^2)/(r )` `(3mv^2)/(2R )` ANSWER :D