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July 4, 2015

Homework Help: Physics

Posted by Paige on Thursday, January 26, 2012 at 9:19pm.

Sally travels by car from one city to another. She drives for 40.2 min at 80.0 km/h, 12.0 min at 105 km/h, and 45.0 min at 40.0 km/h. She spends 13.7 min eating lunch and buying gas.
(a) Determine the total distance traveled in km.
(b) Determine the average speed for the trip in km/h.

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