A solid sphere of radius R makes a perfect rolling down on a plane which is inclined to the horizontal axis at an angle `theta`. If the radius of gyration is k, then its acceleration is

Options

A. `( g sin theta)/((1+ (k^2)/(R^2)))`
B. `( g sin theta)/((R^2 + K^2))`
C. `( g sin theta)/(2 ( R^2 + K^2))`
D. `( g sin theta)/(2(1+ (K^2)/(R^2)))`

Answer

A