1.

A wheel has angular acceleration of 3.0 rad/sec^(2) and an initial angular speed of 2.00 rad/sec. In a time of 2 sec it has rotated through an angle (in radian) of

Answer»

10
12
4
6

Solution :Given: ANGULAR ACCELERATION, a= 3 rad/se`C^(2)` Initial angular VELOCITY `omega_(1)` = 2 rad/sec, Time t = 2 sec
Using, `theta=omega_(1)t+1/2alphat^(2)`
`thereforetheta=2xx2+1/2xx3xx4=4+6=10` RADIAN


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