- #1

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## Homework Statement

Here is the prompt:

http://i.imgur.com/GsZck8J.jpg

## Homework Equations

E(max) = NABw = 2pi*NABf

## The Attempt at a Solution

E(max) = NABw = 2pi*NABf

= NA*B(nought)*2pi*f

1.50 / (NA*B(nought)*2pi) = f

f = 1.50 / N / ((2.50/100)^2*pi) / 0.109 / (2pi)

The problem I'm having is I don't know how to figure out N because it is not given, and I don't know any other equations that exclude the N variable.