Part A A walker and a runner are on a straight horizontal section of a track. In the reference frame of the Earth, the walker has an initial position XEw+5.0 m and the runner has an initial position XxEri+15.0 m Three seconds later, the walker has a position XEw=+11 m and the runner has a position XE +3.0 m. What is the runner's velocity in the reference frame of the walker, vw? View Available Hint(s) Ow=-20 m/s Ow=-6.0 m/s OV-18.0 m/s Ow=4.0 m/s Submit

College Physics
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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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Part A
A walker and a runner are on a straight horizontal section of a track. In the reference frame of the Earth, the walker has an initial position XEwi = +5.0 m and the runner has an initial position XEri+15.0 m. Three seconds
later, the walker has a position XEwf = +11 m and the runner has a position XErf +3.0 m. What is the runner's velocity in the reference frame of the walker, vwr?
► View Available Hint(s)
O Vwr= -2.0 m/s
O Vwr=-6.0 m/s
O VW-18.0 m/s
O Vwr= -4.0 m/s
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Submit
Transcribed Image Text:▼ Part A A walker and a runner are on a straight horizontal section of a track. In the reference frame of the Earth, the walker has an initial position XEwi = +5.0 m and the runner has an initial position XEri+15.0 m. Three seconds later, the walker has a position XEwf = +11 m and the runner has a position XErf +3.0 m. What is the runner's velocity in the reference frame of the walker, vwr? ► View Available Hint(s) O Vwr= -2.0 m/s O Vwr=-6.0 m/s O VW-18.0 m/s O Vwr= -4.0 m/s Review Submit
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