A hollow sphere rolls on a horozontal surface without slipping. Then percentages of rotational kinetic energy in total energy is

Options

A. 40 % , 60 %
B. 60 % , 40 %
C. 28 % ,72 %
D. 72 % , 28 %

Answer

A

Explanation

`(((k^(2))/(r^(2))))/((1+(k^(2))/(r^(2)))) & 1/((1+(k^(2))/(r^(2))))`