You have exactly 4 minutes 14 seconds to get to your next class on time and that classroom is 463 m east of where you are right now. First you run to your dorm room at an average velocity of 5.04 m/s to the south to pick up your calculator and your dorm room is 184 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?

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
Chapter3: Motion In Two Dimensions
Section: Chapter Questions
Problem 40P
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QUESTION 4

  1. You have exactly 4 minutes 14 seconds to get to your next class on time and that classroom is 463 m east of where you are right now. First you run to your dorm room at an average velocity of 5.04 m/s to the south to pick up your calculator and your dorm room is 184 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?
      A
    1.96 m/s
      B
    5.04 m/s
      C
    2.29 m/s
      D
    2.55 m/s
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