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Find the following for path A in Figure 3.52: (a) the total distance traveled, and (b) the magnitude and direction of the displacement from start to finish. In Figure 3.52 the various lines represent paths taken by different people walking in a city. All blocks are 120 m on a side.
Question Image
<b>Figure 3.52:</b> Different paths taken by people walking in a city.
Figure 3.52: Different paths taken by people walking in a city.
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a) $480 \textrm{ m}$

b) $379 \textrm{ m, } 71.6^\circ \textrm{ N of E}$

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OpenStax College Physics Solution, Chapter 3, Problem 1 (Problems & Exercises) (2:37)


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Submitted by brianvallejo44 on Fri, 04/09/2021 - 19:15

Itried solving it but I get 18.4 degrees instead of 71. 56. Tangent ^-1 (120/360)

Submitted by darielle_rd on Sat, 11/05/2022 - 09:42

You've input dx/dy in for tan^-1, it needs to be dy/dx. So you can either use blocks (360/120) or blocks (3/1). You have the right idea you just need to flip the fraction.