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Unformatted text preview: x is 6 The position of an object subject only to the force of gravity is given by s ( t ) where s is in feet (or meters) and t is in seconds. Initial height is Initial velocity is + ifif 7 A stone is thrown upward with initial velocity 48 ft/sec from a 160 ft tower. a) What is the velocity of the stone at 2 seconds? b) What is the velocity of the stone when it hits the ground? 8 The concentration in mg/min of a certain drug in the bloodstream after t minutes is given in the table. t 5 10 15 20 25 30 35 40 45 50 C ( t ) 6 9 14 21 30 41 53 69 86 105 At what rate is the concentration changing in a) the ﬁrst 5 min b) the last 10 min c) the 50 min period 9...
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 Fall '08
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 Calculus, Derivative, Slope, Velocity

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