# A wheel rotates at a constant rate of 85 rev/min. What is its angular speed? rad/s What is the magnitude of its angular acceleration? ?

A wheel rotates at a constant rate of 85 rev/min. What is its angular speed?

____ rad/s

What is the magnitude of its angular acceleration?

____ rad/s^2

answer and process please

### 1 Answer

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- oldschoolLv 71 month agoFavorite Answer
We want radians/sec

85 rev/min * 2πrad/rev * 1min/60s = 170π/60 rad/s = ω = 8.9 rad/s

Angular acceleration α = 0 (constant rate of 85rev/min means α = 0)

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