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12 January, 09:23

Vance recently ran a marathon. It took him 4.8 hours to run the 26.2 miles required to complete a marathon.

Find his average speed in miles per hour. Then convert his speed to feet per second. (Hint: 1 mile = 5,280 feet).

(Round your answers to two decimal places)

miles per hour

feet per second

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Answers (1)
  1. 12 January, 09:29
    0
    8.01 ft/sec

    Step-by-step explanation:

    Distance = 26.2 miles

    Time taken to run the distance = 4.8hrs

    Average speed = ?

    Average speed = distance / time

    = 26.2miles / 4.8hr

    = 5.46 miles/hr

    Convert 5.46 miles/hr to ft/sec

    1 mile = 5280 ft

    We have 5.46*5280 = 28828.8 ft/hr

    28828.8/3600 = 8.01 ft/sec
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