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A fugitive tries to hop on a freight train traveling at a constant speed of 5.2 m/s. Just as an empty box car passes him, the fugitive starts from rest and accelerates at a = 1.4 m/s to his maximum speed of 5.9 m/s, which he then maintains. Part A How long does it take him to catch up to the empty box car? Express your answer to two significant figures and include the appropriate units. Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Enter your answer using units of time. Part B What is the distance traveled to reach the box car? Express your answer to two significant figures and include the appropriate units. ? d= Value Units Submit Request Answer

A fugitive tries to hop on a freight train traveling at a constant speed of 5.2 m/s. Just as an empty box car passes him, the fugitive starts from rest and accelerates at a = 1.4 m/s to his maximum speed of 5.9 m/s, which he then maintains. Part A How long does it take him to catch up to the empty box car? Express your answer to two significant figures and include the appropriate units. Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Enter your answer using units of time. Part B What is the distance traveled to reach the box car? Express your answer to two significant figures and include the appropriate units. ? d= Value Units Submit Request Answer

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Solve part A and B for the problem.

A fugitive tries to hop on a freight train traveling at a constant speed of 5.2 m/s. Just as an empty box car passes him, the fugitive starts from rest and accelerates at a = 1.4 m/s² to his maximum speed of 5.9 m/s, which he then maintains. Part A How long does it take him to catch up to the empty box car? Express your answer to two significant figures and include the appropriate units. HA t = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Enter your answer using units of time. Part B What is the distance traveled to reach the box car? Express your answer to two significant figures and include the appropriate units. HA d = Value Units Submit Request Answer
Transcribed Image Text:A fugitive tries to hop on a freight train traveling at a constant speed of 5.2 m/s. Just as an empty box car passes him, the fugitive starts from rest and accelerates at a = 1.4 m/s² to his maximum speed of 5.9 m/s, which he then maintains. Part A How long does it take him to catch up to the empty box car? Express your answer to two significant figures and include the appropriate units. HA t = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Enter your answer using units of time. Part B What is the distance traveled to reach the box car? Express your answer to two significant figures and include the appropriate units. HA d = Value Units Submit Request Answer
Expert Solution
Step 1

Given:

vT=5.2 m/sa=1.4 m/s2v=5.9 m/s

Using equation of motion we can find time and distance.

v=v∘+att=v-v∘a

plugging given values we get,

t=5.9-01.4=4.2 s

 

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