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Average speed physics help

  1. Jul 11, 2010 #1
    1. The problem statement, all variables and given/known data


    On certain days, traveling to Balamb from Galbadia using a bus takes an average speed of 70 km/hr. The trip takes about 18 minutes. On a busy traffic day, the drive slows down to 40 km/hr over the same distance. How much longer does the trip takes?

    Thanks
     
  2. jcsd
  3. Jul 11, 2010 #2

    CompuChip

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    Re: Velocity

    Welcome to PF HiSoCReeD.

    Unfortunately you have completely deleted the "attempt at the solution" section from your new post so we can't see what you have already tried.

    To get you started: it may help to first calculate the distance of the bus trip.
     
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