Suppose a car tire rotates 8 times a second.The tire has a diameter of 8 inches.Find the angular velocity in radians per second.
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Answer:
16π
Explanation:
Write the formula for angular velocity.
\omega =2\pi f_
The frequency of the tire is 8 revolutions per second. The radius is not used.
Substitute the frequency and solve.
ω=2πf=2π(8)=16π
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