A spherical ball of mass m and radius r rolls without slipping on a rough concave surface of large radius R(R = (9)/(7)m). It makes small oscillations about the lowest point. Finds the time period. (Take g = 10m//sec^(2))

A spherical ball of mass m and radius r rolls without slipping on a ro

1.	A spherical ball of mass m and radius r rolls without slipping on a rough concave surface of large radius R(R = (9)/(7)m). It makes small oscillations about the lowest point. Finds the time period. (Take g = 10m//sec^(2))
Answer» `5PI SEC` `sqrt(5) pi sec` `(6PI)/(7) sec` `sqrt((7)/(2)) pi sec` ANSWER :C