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## Homework Statement

Particles approximately 3.0 x 10^-2 cm in diameter are to be scrubbed loose from machine parts in an aqueous ultrasonic cleaning bath. Above what frequency should the bath be operated to produce wavelengths of this size and smaller?

## Homework Equations

Fn = nv/(2L)

v= SQRT(F/Mew)

Mew=m/L

L=(n/2)Lambada

f=v/(lambada)

## The Attempt at a Solution

So far I cannot come up with a beginning place on this one... I am thinking about using f=v/(lambada) but how would i come up with the velocity (v) without mew or F?