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Car travelling

  1. Feb 19, 2007 #1
    A car travels 10.0km due north, then 8.00km due east, the total trip taking 30.0 minutes. Find (a) the displacement of the car, (b) the average speed (in m/s), and (c) the average velocity (in m/s)


    a) 10^2+8^2=c^2
    164=c^2
    c=12.8km

    tanx=8/10
    x=38.7 degrees

    12.8km @ 38.7 degrees E of N

    b) d=vt
    v=d/t
    v=12.8/30.0
    v=0.426km/min

    c) not sure
     
  2. jcsd
  3. Feb 19, 2007 #2
    Average velocity is displacement over time taken.
     
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