A solid and hollow sphere roll down (pure rolling) from the top of a rough inclined plane. If the ratio between the times taken by them to reach the basis is sqrt(N) time ((sqrt(3))/(5)) then , N is equal to

A solid and hollow sphere roll down (pure rolling) from the top of a r

1.	A solid and hollow sphere roll down (pure rolling) from the top of a rough inclined plane. If the ratio between the times taken by them to reach the basis is sqrt(N) time ((sqrt(3))/(5)) then , N is equal to
Answer» zero 7 6 8 Answer :B