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Unformatted text preview: object as a funciton of time t is called a position funciton. Average velocity = distance / time For a position function s(t), the average velocity over the time interval [t,t+h] is h t s h t s ) ( ) (+ To find instantaneous velocity, what should we do to the length of the time interval? Make it approach zero Example: • #94 • A ball is thrown straight down from the top of a 220foot building with an initial velocity of – 22 feet per second. What is its velocity after 3 seconds? What is its velocity after falling 108 feet?...
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 Spring '11
 PamelaSatterfield
 Derivative, Power Rule, dx, 3 seconds, 22 feet, 108 feet, 220foot

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