A hoop and disc have same mass and radius. Their rotational K.E are related by an equation______________?

A hoop and disc have same mass and radius. Their rotational K.E are re

1.	A hoop and disc have same mass and radius. Their rotational K.E are related by an equation______________?
A.	K.E hoop = K.E disc
B.	K.E hoop = 2K.E disc
C.	K.E hoop = 1/2K.E disc
D.	K.E hoop = 4K.E disc
Answer» C. K.E hoop = 1/2K.E disc