Physics, 28.07.2019 11:50, isaiahmyers3410

Arunner in a marathon passes the 8 mile mark at 1 o’clock and the 19 mile mark at 3 o’clock. what’s the runners average speed during the time period?

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Arunner in a marathon passes the 8 mile mark at 1 o’clock and the 19 mile mark at 3 o’clock. what’s...