1.

A solid sphere, disc and solid cylinder, all of the same mass, are allowed to roll down (from rest) on inclined plane, themA. solid sphere reaches the bottom firstB. solid sphere reaches the bottom lateC. disc will reach the bottom firstD. all of them reach the bottom at the same time

Answer» Time to reach at the bottom
`t=sqrt((2h)/(g))xx(1)/(sintheta)xxsqrt(1+k^(2)//R^(2))`
`t` is minimum for solid sphere


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