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A train travels 90 kilometers in 4 hours, and then 82 kilometers in 1 hours. What is its average speed?
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A train travels 90 kilometers in 4 hours, and then 82 kilometers in 1 hours. What is its average speed?
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Mar 14, 2019
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A train travels 90 kilometers in 4 hours, and then 82 kilometers in 1 hours. What is its average speed?
Physics
middle-school
Kevin Groen
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Average speed = total distance / total time.
That's 172 km / 5 hr = 34.4 km//hr
Stegrex
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Mar 19, 2019
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