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$($#$076824)\{$Angular Acceleration$\}$

The figure below shows a graph of the angular velocity of a stereo turntable as it is turned on to play a vinyl LP album. The angular velocity is plotted in revolutions$-$per$-$minute $(rpm).$ What is the angular acceleration of the turntable at $t=0\mathrm{.}5$ seconds on the graph? $($Give your answer in units of rad$/$s ${?}^2)$

Image size: s M L Max

Please enter a numerical answer below. Accepted formats are numbers or $"$e$"$ based scientific notation e$.$g$.0\mathrm{.}23,-2,1$e$6,5\mathrm{.}23$e$-8$

Enter answer here

$3\mathrm{.}14ra\frac{d}{s^2}$

$3\mathrm{.}14ra\frac{d}{s^2}$

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