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nearingzero (nz182.jpg)

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A rider on a mountain bike is traveling to the left. Each wheel has an angular velocity, ?. Is the sign of ? positiv

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Angles and Arcs

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Rotational motion, Angular displacement, angular velocity, angular acceleration Rotational energy Moment of Inert

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9 rad/s 2 7 rad/s 2 13 rad/s 2 14 rad/s 2 16 rad/s 2

At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration has an angular velocity of 1.0 rad/s. Three seconds later it has turned through 7.0 complete revolutions. What is the angular acceleration of this wheel? Select the correct answer. 9 rad/s 2 7 rad/s 2

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