An airplane engine starts from rest; and \( 2 \mathrm{~s} \) later, it is rotating with an angul...
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0An airplane engine starts from rest; and \( 2 \mathrm{~s} \) later, it is rotating with an angular speed of \( 300 \mathrm{rev} / \mathrm{min} \). If the angular acceleration is constant, how many revolutions does the propeller undergo during this time?
(A) 5
(B) 50
(C) 10
(D) 300
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