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