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The Position of a Car Is Given by the Values

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The position of a car is given by the values in the following table. t (seconds) 012345s (feet) 0163571112179\begin{array}{|c|c|c|c|c|c|c|}\hline t \text { (seconds) } & 0 & 1 & 2 & 3 & 4 & 5 \\\hline s \text { (feet) } & 0 & 16 & 35 & 71 & 112 & 179 \\\hline\end{array}

Estimate the instantaneous velocity when t=2t = 2 by averaging the velocities for the periods [1,2][ 1,2 ] and [2,3][ 2,3 ] .


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