A rotating rod starts from rest and acquires a rotational speed \( ...

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A rotating rod starts from rest and acquires a rotational speed \( n=600 \) revolutions
\( \mathrm{P} \) /minute in 2 seconds with constant angular

W acceleration. The angular acceleration of the rod is:-
(1) \( 10 \pi \mathrm{rad} / \mathrm{s}^{2} \)
(2) \( 5 \pi \mathrm{rad} / \mathrm{s}^{2} \)
(3) \( 15 \pi \mathrm{rad} / \mathrm{s}^{2} \)
(4) None of these
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