Homework Help: Physics

Posted by Josh on Saturday, May 7, 2011 at 10:40pm.

A student reading his physics book on a lake dock notices that the distance between two incoming wave crests is about 0.65 m, and he then measures the time of arrival between the crests to be 1.8 s. What is the approximate speed of the waves?

Physics - bobpursley, Saturday, May 7, 2011 at 10:46pm
frequency*wavelength= wavlength/period=speed
solve for speed.
Physics - Josh, Saturday, May 7, 2011 at 11:02pm
So would that just be .65/1.8 and the answer is 0.36?
Physics - Caronia, Monday, January 9, 2012 at 9:49pm
wave crest/time interval=speed
(.65m)/(1.6s)=0.36m/s

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