0.4π rads-2
0.8π rads-2
1.3π rads-2
20.0π rads-2
Correct answer is B
From the radiation: V = +at, and if it starts from N & T, U = 0 And for angular motion, W = O + at 4R = aχ5 ∴ a = (4a)/5 = 0. 8π rads-2
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