1.

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. 12 rad/sec
B. 24 rad/sec
C. 30 rad/sec
D. 3 rad/sec
E. 6 rad/sec
Answer» B.


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