physics wave question?

A M · #1 (**permalink**) 02-26-2008, 10:19 PM

a person standing in the ocean notices that after a wave crest passed by, ten more crests pass in a time of 120 s. what is the frequency of the wave?

wanderer · #2 (**permalink**) 02-26-2008, 10:19 PM

unit of frequency gives the answer

where hertz = no .of waves / sec

hence, 10/120 = 0.0833 hertz

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