October 7, 2015

Homework Help: Physics

Posted by Bruce on Tuesday, July 17, 2012 at 3:47pm.

A particular steel guitar string has mass per unit length of 1.79 g/m. and tension of 61.9 N. For the wave speed to be increased by 1.9%, how much should the tension be changed?

I tried increasing the wave speed (186 m/s) by 1.9%, plug that into v=sqrt(T/linear mass density), solve for T, and then take the ratio of it and the initial tension, but it is still not correct. It is probably something simple that i am over looking, but im stuck on it. Thank you!

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