document.write( "Question 1197644: The velocity v of a pulse travelling in a string varies directly as the square root of the tension T in the string.If the velocity of a pulse in a string is 150m/s when the tension is 90.0N,find the velocity when the tension is 135N.
\n" ); document.write( "I tried the method :v=k.square root T. 150=k. square root 90 k=15.8 when the tension is 90.0N,v=(15.8)square root 135 \n" ); document.write( "

Algebra.Com's Answer #831001 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!
The velocity v of a pulse travelling in a string varies directly as the square root of the tension T in the string.
\n" ); document.write( "setting Up the Proportion:
\n" ); document.write( " $\"V%5B1%5D%2Fsqrt%28T%5B1%5D%29+=+V%5B2%5D%2Fsqrt%28T%5B2%5D%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"150%2Fsqrt%2890%29+=+V%5B2%5D%2Fsqrt%28135%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"V%5B2%5D+=+%28150%2Asqrt%28135%29%29%2F%28sqrt%2890%29%29\"$ = 183.7 m/s rounded
\n" ); document.write( " \n" ); document.write( "

\n" );