A solid sphere, a hollow sphere and a disc, all having same mass and radius, are placed at the top of an incline and released. The friction coefficients between the objects and the incide are same and not sufficient to allow pure rolling. Least time will be taken in reaching the bottom by

A solid sphere, a hollow sphere and a disc, all having same mass and r

1.	A solid sphere, a hollow sphere and a disc, all having same mass and radius, are placed at the top of an incline and released. The friction coefficients between the objects and the incide are same and not sufficient to allow pure rolling. Least time will be taken in reaching the bottom by
Answer» the SOLID sphere the HOLLOW sphere the disc all will TAKE same TIME Answer :D