PreCal

a car went 44 feet through an intersection in only 0.5 seconds. How fast was the car going in miles per hour?

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  1. 44Ft/0.5s * 1mi/5280Ft * 3600s/h = 60 mi/h.

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  2. Memorize this conversion factor:
    60mph=88f/s

    60mph/88fps *(44/.5)fps=60mph

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    bobpursley

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