Calculating Max. Distance of Block on Turntable Rotating at 33 1/3 rev/min

[JJ89]

The coefficient of friction between a certain brass block and a large revolving turntable is µ = 0.17. How far from the axis of rotation can the block be placed before it slides off the turntable if it is rotating at 33 1/3 rev/min?

i was wondering was this the equation to solve this question?
m ω^2 R <= µ m g

R <= µ g / ω^2

The Attempt at a Solution

 

[kuruman]

Yes.