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Physics, 13.09.2019 07:10 jortizven0001

Abus travels 280 km south along a straight path with an average velocity of 80 km/h to the south. the bus stops for a 30 minute break, then travels 140 km south with an average velocity of 70 km/h to the south. how long does the total trip last? what is the average velocity for the total trip?

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