A solid disk flywheel of mass 38.0 kg and radius 120 cm starts from rest and rotates clockwise up to an angular speed of 20 RPM in a time of 4.80 seconds. I) What is the angular acceleration of the flywheel? (a) 4.17 rad/s? (b) 2.62 rad/s (c) 0.436 rad/s² (d) 0.218 rad/s? II) If the driving torque of the flywheel is 15.0 N m, what is the friction torque? (a) 3.06 N m (b) 26.9 N m (c) 13.6 N m (d) 13.9 N m

A solid disk flywheel of mass 38.0 kg and radius 120 cm starts from rest and rotates clockwise up to an angular speed of 20 RPM in a time of 4.80 seconds. I) What is the angular acceleration of the flywheel? (a) 4.17 rad/s? (b) 2.62 rad/s (c) 0.436 rad/s² (d) 0.218 rad/s? II) If the driving torque of the flywheel is 15.0 N m, what is the friction torque? (a) 3.06 N m (b) 26.9 N m (c) 13.6 N m (d) 13.9 N m

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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