You start out by driving 60 miles south in 4 hours and 18 minutes, and then you stop and park for a while. Finally you drive another 45 miles north in 2 hours and 33 minutes. The average velocity for your entire trip was 1.75 miles per hour to the south. How much time did you spend parked?     0 hours 51 minutes     8 hours 33 minutes     1 hours 42 minutes     3 hours 25 minutes

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
Chapter1: Introduction And Vectors
Section: Chapter Questions
Problem 23P
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  1. You start out by driving 60 miles south in 4 hours and 18 minutes, and then you stop and park for a while. Finally you drive another 45 miles north in 2 hours and 33 minutes. The average velocity for your entire trip was 1.75 miles per hour to the south. How much time did you spend parked?
       
    0 hours 51 minutes
       
    8 hours 33 minutes
       
    1 hours 42 minutes
       
    3 hours 25 minutes
Expert Solution
Step 1

Given value---

  • first distance = 60 miles south in 4 hours and 18 minutes .
  • second distance = 45 miles north in 2 hours and 33 minutes.
  • average velocity = 1.75 mi/h .

We have to find---

  • How much time did you spend parked?

 

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