In previous problem, the tangential acceleration of a point on the rim is :

Options

A. `(T)/(M)`
B. `(MR^2)/(T)`
C. `(2 T)/(M)`
D. `(MR^2)/(2 T)`

Answer

C

Explanation

( c) Tangential acceleration
`a = r prop = R. ((2 T)/(MR)) = (2 T)/(M)`.