Answered: What work is done on a level track in…

Name: What work is done on a level track in bringing the velocity of a train
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Description: What work is done on a level track in bringing the velocity of a train weighing 200 tons from zero to 30 mi/hr, if the frictional resistance at any velocity is 12 lb/ton, and if the change in speed is accomplished in a length 5280 ft? If the track we

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter8: Potential Energy And Conservation Of Energy

Section: Chapter Questions

Problem 41P: A baseball of mass 0.25 kg is hit at home plate with a speed of 40 m/s. When it lands in a seat in...

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What work is done on a level track in bringing the velocity of a train weighing 200 tons from zero to 30 mi/hr, if the frictional resistance at any velocity is 12 lb/ton, and if the change in speed is accomplished in a length 5280 ft? If the track were a 1% upgrade, what would be the additional work to be done?

the answer should be 3 decimal places

please answer it.

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