A train is traveling south at 58.4 m/s when the brakes are applied. It slows down with constant acceleration to a speed of 6.00 m/s in a time of 9.00 s. Which of the following is the correct graph of vx vs. t for a 12-s interval (starting 2 s before the brakes are applied and ending 1 s after the brakes are released) if the train is traveling south at 24.0 m/s when the brakes are applied and slows down with constant acceleration to a speed of 6.00 m/s in a time of 9.00 s? (Take north as the +x-direction.)
A train is traveling south at 58.4 m/s when the brakes are applied. It slows down with constant acceleration to a speed of 6.00 m/s in a time of 9.00 s. Which of the following is the correct graph of vx vs. t for a 12-s interval (starting 2 s before the brakes are applied and ending 1 s after the brakes are released) if the train is traveling south at 24.0 m/s when the brakes are applied and slows down with constant acceleration to a speed of 6.00 m/s in a time of 9.00 s? (Take north as the +x-direction.)
Astronomy
1st Edition
ISBN:9781938168284
Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher:Andrew Fraknoi; David Morrison; Sidney C. Wolff
Chapter28: The Evolution And Distribution Of Galaxies
Section: Chapter Questions
Problem 21E: Using the information from Example 28.1, how much longer will it take you to do your second survey?
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A train is traveling south at 58.4 m/s when the brakes are applied. It slows down with constant acceleration to a speed of 6.00 m/s in a time of 9.00 s.
Which of the following is the correct graph of vx vs. t for a 12-s interval (starting 2 s before the brakes are applied and ending 1 s after the brakes are released) if the train is traveling south at 24.0 m/s when the brakes are applied and slows down with constant acceleration to a speed of 6.00 m/s in a time of 9.00 s? (Take north as the +x-direction.)
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S
S
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2
6
Time, s
6
Velocity m/
6
Time.
Time, s
8
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