A dumbbell consists of a light rod of length r and two small

Last updated: 6/14/2023

A dumbbell consists of a light rod of length r and two small masses m attached to it The dumbbell stands vertically in the corner formed by two frictionless planes After the bottom end is slightly moved to the right the dumbbell begins to slide Find the speed u of the bottom end at the moment the top end loses contact with the vertical plane