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March 26, 2017

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A car drove off a cliff. The cliff was 8 ft high and the car landed 45 ft away from the edge of the cliff. What was the speed when the car left the cliff?

  • physics - ,

    How much time does it take to fall 8 feet?

    h=1/2 g t^2
    8=1/2 32 t^2
    t^2=1/2
    t= .707 sec

    distance= Vi*.707=45
    vi= 45*sqrt2 ft/sec

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