question_answer

A block slides on inclined plane then velocity at the bottom of plane is v. If a ring roll on same inclined plane then its velocity at the bottom of plane is :

A)  \[2\upsilon \]                   

B)                         \[\upsilon \]    

C)         \[\frac{\upsilon }{2}\]                  

D)                         \[\frac{\upsilon }{\sqrt{2}}\]