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29 May, 12:23

A pedestrian moves 6.00 km east then 13.0 km north. Using the graphical method, find the magnitude and direction of the resultant displacement vector.

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  1. 29 May, 14:51
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    Resultant vector

    r = (6^2 + 13^2) ^0.5

    r = (36 + 169) ^0.5

    r = 205^0.5

    r = 14.13 km

    Direction of the vector

    tan theta = 13/6

    tan theta = 2.17

    theta = 65.22
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