This flywheel has a mass moment of inertia of 0.2 kgm2 and rotates at 53500 RPM. Calculate the kinetic energy ?

Hints:

Kinetic energy of a rotating object is given by:

KE = Iω²
I is moment of inertia in kg-m²
and
ω is angular velocity in rad/s.

1 RPM= 2πradians/60 s = π/30 rad/s.