APFIVE Average Angular Velocity Calculation
A turntable completes a rotation of 4π radians in 8 seconds. It then rotates 2π radians in the opposite direction over the subsequent 4 seconds. What is the turntable’s average angular velocity for the entire 12-second interval?
A
π/6 rad/s
B
π/2 rad/s
C
0 rad/s
D
π/3 rad/s
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