Some European trucks run on energy stored in a rotating flywheel, with an electric motor getting the flywheel up to its top speed of 250 rad/s. One such flywheel is a solid, uniform cylinder with a mass of 730 kg and a radius of 0.972 m. (a) What is the kinetic energy of the flywheel after charging? (b) If the truck uses an average power of 7.8 kW, for how many minutes can it operate between chargings? (a) Number i (b) Number i Units Units

Some European trucks run on energy stored in a rotating flywheel, with an electric motor getting the flywheel up to its top speed of 250 rad/s. One such flywheel is a solid, uniform cylinder with a mass of 730 kg and a radius of 0.972 m. (a) What is the kinetic energy of the flywheel after charging? (b) If the truck uses an average power of 7.8 kW, for how many minutes can it operate between chargings? (a) Number i (b) Number i Units Units

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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