0. A regenerative braking system stores kinetic energy of a car so that it can be recovered when the vehicle resumes moving. One way to do this is to “store” the energy in a spinning flywheel. One such design uses a solid disk flywheel with moment of inertia 0.040 kg m2 and maximum rotation rate 45000 rpm. (a) What is the maximum energy storage? (b) In principle it could store the kinetic energy of a 1700 kg car moving at what speed before braking? (c) If this energy is used to start the car moving again in 10.0 s, what is the power output of the system?

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Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.