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March 25, 2017

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A person walks 25m west and then 45m at an angle of 60 degrees north of east. What is the magnitude of the total displacement?

  • physics - ,

    North component of resultant: 45 sin 60 = 38.97 m
    East component of resultant: 45 cos 60 - 25 = -2.5 m

    displacement magnitude
    = sqrt[(38.97)^2 + (-2.5)^2]
    = 39.05 m

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