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Physics, 19.02.2020 21:17 hanjonez

A person on a road trip drives a car at different constant speeds over several legs of the trip. She drives for 10.0 min at 50.0 km/h, 19.0 min at 100.0 km/h, and 60.0 min at 55.0 km/h and spends 40.0 min eating lunch and buying gas. What is the average speed for the entire trip (

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