Physics, 28.01.2020 10:31, ceciliaxo

Joe is on a cross-country trip from new york to los angeles. he drives for 45.0 min at 70.0 km/h, 10.0 min at 95 km/h, and 30.0 min at 55.0 km/h, and he spends 20.0 min eating lunch and buying gas. what is the average speed for this part of his trip?

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Joe is on a cross-country trip from new york to los angeles. he drives for 45.0 min at 70.0 km/h, 10...