College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 2, Problem 29PE
Freight trains can produce only relatively small accelerations and decelerations. (a) What is the final velocity of a freight train that accelerates at a rate of 0.0500 m/s2 for 8.00 min, starting with an initial velocity of 4.00 m/s? (b) If the train can slow down at a rate of 0.550 m/s, how long will it take to come to a stop from this velocity? (c) How far will it travel in each case?
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Freight trains can produce only relatively small accelerations. (a) What is the final velocity of a freight train that accelerates at a rate of 0.0500 m/s2 for 8.00 min, starting with an initial velocity of 4.00 m/s? (b) If the train can slow down at a rate of 0.550 m/s2 , how long will it take to come to a stop from this velocity? (c) How far will it travel in each case?
A commuter backs her car out of her garage with an acceleration of 1.40 m/s². (a) How long does
it take her to reach a speed of 2.00 m/s? (b) If she then brakes to a stop in 0.800 s, what is her
acceleration?
Freight trains can produce only relatively small accelerations.
(a) What is the final velocity of a freight train that accelerates at a rate of 0.0500 m/s²
for 8.00 min, starting with an initial velocity of 4.00 m/s?
(b)
If the train can slow down at a rate of 0.550 m/s² how long will it take
stop from this velocity?
How far will the train travel in each case (a) and
(b)?
(c)
to come to a
Chapter 2 Solutions
College Physics
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