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10-04-2024
Physics

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A person travels by car from one city to another with different constant speeds between pairs of cities. she drives for 40.0 min at 75.0 km/h, 20.0 min at 65.0 km/h, and 35.0 min at 45.0 km/h and spends 55.0 min eating lunch and buying gas. Determine the average speed for the trip.

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