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15. A flywheel gains a speed of 540 r.p.m. in 6 sec. Its angular acceleration will be

HomePosts tagged “15. A flywheel gains a speed of 540 r.p.m. in 6 sec. Its angular acceleration will be”
(a)       3 pi rad/sec2 (b)  9 pi rad/sec2                                                       (c)   18 pi rad/sec2 (d)  54 pi rad/sec2 Ans.  a (52)
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