1.

If the body accelerating from rest to angular velocity of 45 rev/min in a time of 1.6s then its angular acceleration will be

A. 6.6 x 10-9 rad
B. 6 x 10-9 rad
C. 7.6 x 10-9 rad
D. 8 x 10-9 rad
Answer» B. 6 x 10-9 rad


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