Question
Physics Question on Rotational Motion
A solid sphere is in rolling motion. In rolling motion a body possesses translational kinetic energy (Kt) as well as rotational kinetic energy (Kr) simultaneously. The ratio Kt : (Kt + Kr) for the sphere is
A
7:11
B
10:7
C
5:7
D
2:5
Answer
5:7
Explanation
Solution
The correct option is (C): 5:7