Answered: 10000 Force (N) 5000 500 1000 1500 Time…

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10000 Force (N) 5000 500 1000 1500 Time (sec)

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter11: Gravity, Planetary Orbits, And The Hydrogen Atom

Section: Chapter Questions

Problem 22P

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Question

A locomotive engine of mass 1.80*10^5kg starts from rest on horizontal train tracks. The locomotive takes 25 minutes (1500 seconds) to reach maximum speed. The graph in the attached image shows the net external force acting on the locomotive as a function of time.

a. Deduce the final speed of the locomotive at the end of the 25 minutes. Show calculations by referencing the graph, and provide explanation.

10000
Force (N)
5000
500
1000
1500
Time (sec)

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