A standing wave is produced in a rope by vibrating one end with a frequency of 75 Hz. The distance between the first and fourth nodes is 45 cm. How long is the wavelength?
Welcome to OpenStudy. Using http://web.utk.edu/~cnattras/Physics221Spring2013/modules/m10/images/stand.gif http://www.webanswers.com/post-images/B/BD/3BCDB60A-8181-4241-A7383822D515E52A.jpg we know that a full wave occurs every 2 nodes or 2 antinodes. And you know the length of 4 nodes.
I posted 2 links there: http://web.utk.edu/~cnattras/Physics221Spring2013/modules/m10/images/stand.gif http://www.webanswers.com/post-images/B/BD/3BCDB60A-8181-4241-A7383822D515E52A.jpg
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