A uniform solid sphere of mass m , radius R moving with velocity v 0 is rolling without slipping on a frictionless surface. It collides elastically with a frictionless vertical wall. Ratio of magnitude of angular momentum of the sphere before and after the collision about its bottommost point is

Question

A uniform solid sphere of mass m , radius R moving with velocity v 0 is rolling without slipping on a frictionless surface. It collides elastically with a frictionless vertical wall. Ratio of magnitude of angular momentum of the sphere before and after the collision about its bottommost point is, 3 5, 5 3, 3 7, 7 3

MARKS App · Accepted Answer

L i n = m v 0 R + 2 5 m R 2 w L i n = 7 5 m v 0 R L f i n a l = m v 0 R - 2 5 m R 2 ω = 3 5 m v R R a t i o = 7 3

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