Posted by **Alex** on Thursday, April 12, 2012 at 9:49pm.

What is the speed of a wave whose frequency is 9.00Hz and wavelength is 0.654m?

- Physics -
**John**, Thursday, April 12, 2012 at 9:59pm
The formula to use is c=f*lambda where c equals speed of a wave, f is frequency, and lambda is the Greek for wavelength. So to find the speed you multiply 9 by .654 and the answer should be 5.886 m/s.

- Physics -
**drwls**, Thursday, April 12, 2012 at 10:08pm
John is correct. Thanks John for helping.

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