document.write( "Question 545479: the pitch, or frequency, of a vibrating string varies directly with the square root of tension. if a string vibrates at a frequency of 144 hertz due to a tension of 2 pounds, find the frequency when the tension is 18 pounds. \n" ); document.write( "

Algebra.Com's Answer #355598 by Alan3354(69443) $\"\"$ $\"About$

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The tension is 9 times as much.
\n" ); document.write( "sqrt(9) = 3
\n" ); document.write( "144*3 = 432 Hz
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