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45. The flywheel of a gasoline engine is required to give up 500 J of kinetic energy while its angular velocity decreases from 650 rev/min to 520 rev/min. What moment of inertia is required? [annoying units conversion required]

45. The flywheel of a gasoline engine is required to give up 500 J of kinetic energy while its angular velocity decreases from 650 rev/min to 520 rev/min. What moment of inertia is required? [annoying units conversion required]

Glencoe Physics: Principles and Problems, Student Edition
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter8: Rotational Motion
Section8.2: Rotational Dynamics
Problem 29PP
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45 Please use energy to solve Please label all free body diagrams and any formulas used Thanks!
Chapter 9 45. The flywheel of a gasoline engine is required to give up 500 J of kinetic energy while its angular velocity decreases from 650 rev/min to 520 rev/min. What moment of inertia is required? [annoying units conversion required]
Transcribed Image Text:Chapter 9 45. The flywheel of a gasoline engine is required to give up 500 J of kinetic energy while its angular velocity decreases from 650 rev/min to 520 rev/min. What moment of inertia is required? [annoying units conversion required]
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Step 1

Given value---

  • The flywheel of a gasoline engine is required to give up 500 J of kinetic energy
  • its angular velocity decreases from 650 rev/min to 520 rev/min.

We have to find---

  • What moment of inertia is required? 
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