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Thread: Calculus Problem - Velocity

  1. January 28th 2009, 04:39 PM #1
    SoYah
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    Arrow Calculus Problem - Velocity

    An object is dropped form a 75-ft cliff. Its height in feet above the beach after t sec is given by h(t)=75-16t^2.

    A) Find the average velocity during the interval from t=1 to t=2

    B) Find the instantaneous velocity at t=2
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  2. January 28th 2009, 04:43 PM #2
    skeeter
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    Quote Originally Posted by SoYah View Post
    An object is dropped form a 75-ft cliff. Its height in feet above the beach after t sec is given by h(t)=75-16t^2.

    A) Find the average velocity during the interval from t=1 to t=2

    \bar{v} = \frac{h(2) - h(1)}{2 - 1}

    B) Find the instantaneous velocity at t=2

    v(2) = \lim_{t \to 2} \frac{h(t) - h(2)}{t - 2}
    ok?
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