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Starting from rest, a disk takes 10 revolutions to reach an angular velocity w. At constant angular acceleration, how many additional revolutions are required to reach an angular velocity 2w? A) 10 rev B) 20rev C) 30 rev D) 40 rev E) 50 rev

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    C

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    |dw:1351465777115:dw|

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    Find angular acceleration first

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    |dw:1351467544164:dw|

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    ty

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    Give me a best response

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    ty

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