A multi cylinder engine is fitted with a flywheel of mass 0.7 ton ,which runs at a mean speed of 440 r.p.m. If the speed varies from 7 % above the mean to 5 % below it and the fluctuation energy is...

Extracted text: A multi cylinder engine is fitted with a flywheel of mass 0.7 ton ,which runs at a mean speed of 440 r.p.m. If the speed varies from 7 % above the mean to 5 % below it and the fluctuation energy is 1500 kN-cm, find (i) mass moment of inertia of the wheel and (ii) kinetic energy of rotation by the flywheel if the angular velocity is 40