An engine flywheel has a mass of 120 kg and a radius of gyration of 630 mm. At an instant when the flywheel runs at 600 rev/min, an acceleration torque of 150 Nm was applied for a period of 10 seconds. Determine the: 1) final speed of the flywheel in rev/min. (ii) number of flywheel revolutions made during the acceleration period. (iii) kinetic energy of rotation of the flywheel.

An engine flywheel has a mass of 120 kg and a radius of gyration of 630 mm. At an instant when the flywheel runs at 600 rev/min, an acceleration torque of 150 Nm was applied for a period of 10 seconds. Determine the: 1) final speed of the flywheel in rev/min. (ii) number of flywheel revolutions made during the acceleration period. (iii) kinetic energy of rotation of the flywheel.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 120AP: A grindstone with a mass of 50 kg and radius 0.8 m maintains a constant rotation rate of 4.0 rev/s...

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