Obtain the kinetic energy of the flywheel after charging

Reference no: EM13565499

Some European trucks run on energy stored in a rotatingflywheel, with an electric motor getting the flywheel up to its topspeed of 200rad/s. One such flywheel is a solid, uniform cylinder with a massof 450 kg and a radius of 1.3 m.

(a) What is the kinetic energy of the flywheel after charging?

(b) If the truck operates with an average power requirement of10.0 kW, for how many minutes can itoperate between chargings?

min

Reference no: EM13565499

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