Posted by Michael on .
The wave speed on a string is 146 m/s when the tension is 70.0 N.
What tension will give a speed of 183 m/s?

Physics 
drwls,
Wave speed is proportional to the square root of tension. If t is the unknown tension to produce a 183 m/s wave,
183/146 = sqrt(T/70)
Solve for T