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The angular acceleration of a flywheel decreases uniformly from 8 rad/sec2 to 2 rad sec2 in 6 sec at which time its angular velocity is 42 rad/sec. The initial angular velocity was

[A].	3 rad/sec	[B].	6 rad/sec
[C].	12 rad/sec	[D].	24 rad/sec
[E].	30 rad/sec

Answer: Option C

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