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2 - 5 A person travels by car from one city to another with different constant speeds between pairs of cities. She drives 3 7

2-5 A person travels by car from one city to another with different constant speeds between pairs of cities. She drives 37.3min at 83.7kmh,11.8min at 126kmh, and 45.5min at 37.7kmh, and spends 15.1min eating lunch and buying gas.
(a) Determine the distance between the initial and final cities along this route.
km(+-0.2km)
(b) Determine the average speed for the trip.
kmh(+-0.2kmh)
Source: Serway and Faughn, College Physics, 5th edition, Problem 2.1
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