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March 31, 2015

March 31, 2015

Posted by **baby** on Friday, May 20, 2011 at 9:28pm.

- physic -
**drwls**, Saturday, May 21, 2011 at 1:27amThe wave makes 4 round trips in 0.83 s, so the wave speed is:

V = 8*6.2 m/0.83 s = 59.8 m/s

The mass per unit length is

s = 0.0355 kg/m

sqrt(T/s)= V

Then solve for T.

T = s * V^2 = 127 Newtons

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