What is his average speed coming back from st louis

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Reference no: EM13983288

A physics instructor drives down to St. Louis to see his mom. On the way there, he travels the first half of the time at 600 km/hr and the second half the time at 950 km/hr Coming back, he drives the first half the distance at 600 km/hr and the second half of the distance at 950 km/hr 2) What is his average speed coming back from St Louis? Savg= 3) What is his average speed during the entire trip?

Reference no: EM13983288

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