(a) 2π2 In2 (b) 4π2 In2 (c) 6π2 In2 (d) 8π2 In2 Ans. c (28)
115. A fly wheel of moment of inertia I is rotating at n revolutions per sec. The work needed to double the frequency would be
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- 115. A fly wheel of moment of inertia I is rotating at n revolutions per sec. The work needed to double the frequency would be