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July 24, 2014

Homework Help: AP physics B

Posted by Cold Turkey on Wednesday, December 5, 2012 at 8:36am.

A phone cord is 3.26 m long. The cord has
a mass of 0.224 kg. A transverse wave pulse
is produced by plucking one end of the taut
cord. The pulse makes four trips down and
back along the cord in 0.865 s.
What is the tension in the cord?
Answer in units of N

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