Answer:
w = 1.41 10⁻³ rad / s
Step-by-step explanation:
For this problem we will use that the angular and linear velocity are related
v = w r
w = v / r
Let's calculate
w = 2.54 10⁻² / 18
w = 1.41 10⁻³ rad / s
The angular speed of the entire restaurant is the same