a disck initially stationary experiences an angular acceleration of 0.2 rad/s^2. how many revolutions does the disck undergo in the 10 seconds after the acceleration is applied?
a- 0.1
b- 0.80
c- 1.6
d- 8.0
e- 10
Angular acceleration, =0.2 rad/sec^2
time , t=10 sec
number of revolutions n=(1/2)* * t^2
=0.5*0.2*10*10
=10
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