class on time and that classroom is 156 m east of where you are right now. First you run to your dorm room at an average velocity of 4.48 m/s to the south to pick up your calculator and your dorm room is 189 m south of where you were initially. What average velocity (magnitude only) do you now need to run from your dorm room to your classroom to arrive exa

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter6: Motion In Two Dimensions
Section: Chapter Questions
Problem 84A
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  1. You have exactly 5 minutes 14 seconds to get to your next class on time and that classroom is 156 m east of where you are right now. First you run to your dorm room at an average velocity of 4.48 m/s to the south to pick up your calculator and your dorm room is 189 m south of where you were initially. What average velocity (magnitude only) do you now need to run from your dorm room to your classroom to arrive exactly on time?
       
    4.48 m/s
       
    0.90 m/s
       
    1.10 m/s
       
    0.78 m/s
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