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March 29, 2017

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On the way to class, you walk north and then west such that your resultant displacement is 290 m in a direction 250 west of north. Your average velocity is 2.0 m/s in the same direction as the displacement. Calculate (a) your walking time and (b) your average speed.

  • Physics - ,

    Direction = 25.0o West of north?

    a. D = 290m[25.0o]

    t = D/V = 290[25.0]/2[25o] = 145 s.

    b. r = D/t = 290m/145s = 2m/s.

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