The flywheel of an engine has a moment of inertia 2.80 rm, Ask an Expert

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Q1. The flywheel of an engine has a moment of inertia 2.80 {rm kg} cdot {rm m} ^ {2} about its rotation axis. What is its final kinetic energy?

Q2. A cord is wrapped around the rim of a wheel 0.240 {rm m} in radius, and a steady pull of 42.0 {rm N} is exerted on the cord. The wheel is mounted on frictionless bearings on a horizontal shaft throughout its center.The moment of inertia of the wheel about this shaft is 5.50 {rm{ {rm kg}}} cdot {rm{{rm m}}}^{rm{2}} calculate the angular acceleration of the wheel.

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