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sam_cursed

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## Homework Statement

A radio station transmits 680kHz at a power of 50000W from a transmitter. Estimate the strength of the signal as it was received by the antenna 35 km away.

## Homework Equations

I don't know any equation for this that's the problem!

## The Attempt at a Solution

I can't find the relation between frequency, power and distance anywhere in my textbook T_T. My teacher is evil T_T.

This is an AP course btw T_T.