Two spherical objects solid and solid cylinder have the same mass (m1 = m2) and the same radius (r1 = r2) rotates about its axis with angular velocity sama. Perbandingan kinetic energy between two objects is.
a. 5 : 4
b. 4 : 5
c. 2 : 5
d. 3 : 5
e. 5 : 2