A rotating, rigid body makes one complete revolution in 2s. What is its average angular velocity?

Explanation

To find the average angular velocity of a rotating rigid body that makes one complete revolution in 2 seconds, we can follow these steps:

### Step 1: Understand the concept of angular velocity
Angular velocity (ω) is defined as the rate of change of angular displacement with respect to time. It is given by the formula:
\[ \omega = \frac{d\theta}{dt} \]
where \(d\theta\) is the angular displacement in radians and \(dt\) is the time taken.
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