A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 20.0 min at 100.0 km/h, 18.0 min at 65.0 km/h, and 45.0 min at 50.0 km/h and spends 15.0 min eating lunch and buying gas. (a) Determine the average speed for the trip. 54.3 km/h eBook (b) Determine the distance between the initial and final cities along the route. x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. km

College Physics
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Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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ASK TUUR FLACHILI
A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 20.0 min at
100.0 km/h, 18.0 min at 65.0 km/h, and 45.0 min at 50.0 km/h and spends 15.0 min eating lunch and buying gas.
(a) Determine the average speed for the trip.
54.3
km/h
eBook
(b) Determine the distance between the initial and final cities along the route.
x
Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your
calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. km
Transcribed Image Text:Y NOTES ASK TUUR FLACHILI A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 20.0 min at 100.0 km/h, 18.0 min at 65.0 km/h, and 45.0 min at 50.0 km/h and spends 15.0 min eating lunch and buying gas. (a) Determine the average speed for the trip. 54.3 km/h eBook (b) Determine the distance between the initial and final cities along the route. x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. km
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