Answer to Question #50328 in Physics for jo

Question #50328

Sally travels by car from one city to another. She drives for 20.0 min at 84.0 km/h, 55.0 min at 40.0 km/h, and 23.0 min at 77.0 km/h, and she spends 11.0 min eating lunch and buying gas. Determine the average speed for the trip.

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