An Initially Installed Flywheel Can Store 10⁶ J of Kinetic

Multiple Choice

An initially installed flywheel can store 10⁶ J of kinetic energy when rotating at 300 rad/s.It is replaced by another flywheel of the same size but made of a lighter and stronger material.If its mass is half that of the original and it is now capable of achieving a rotational speed of 600 rad/s,what maximum energy can be stored?

A) 40 x 10⁵ J
B) 20 x 10⁵ J
C) 10 x 10⁵ J
D) 5.0 x 10⁵ J