Homework Help: Physics

Posted by Ray on Tuesday, November 13, 2012 at 1:48pm.

A 5-m-long string, fixed at both ends, has a mass of 9 g. If you want to set up a standing wave in this string having a frequency of 298 Hz and three antinodes, what tension should you put the string under?

I got 0.009kg(a984.68m/s)^2/5=7090 N it still says its the wrong answer

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