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August 21, 2014

Homework Help: economics

Posted by CJ on Thursday, April 22, 2010 at 11:32pm.

Sally and a partner holds the ends of a spring 4 meters apart. There are 5 nodes in the standing wave produced. Sally moves her hand from the rest position back and forth along the floor 20 times in 4 seconds.
Determine the following:
Wavelenght of wave sally sue sent
Frequence of wave produced
Speed of wave

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