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August 21, 2014

Homework Help: Waves & Tension

Posted by Brienne on Sunday, December 2, 2012 at 1:17am.

A 5.9 m wire with a mass of 79 g is attached to the mast of a sailboat. If the wire is given a "thunk" at one end, it takes 0.087 s for the resulting wave to reach the other end.

1. What is the tension in the wire?

2. Calculate the tension for a 89-g wire.

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I don't know how to begin this problem, because I don't know how to go about tension in regards to waves. I only ever used tension in the T=m*g format before. And I'm sure I could figure out part 2 if I knew how to do part 1. Thank you for any help!

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