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OpenStudy (anonymous):
a wavelength is moving at the rate of 40 cm/s. its wavelength is 8 cm. What is it the frequency of the wave? A. 5 cm B. 320 cm C. 320 hz D. 5 hz
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OpenStudy (irishboy123):
In 1 cycle it will travel 8cm. How many cycles per second are needed to travel that distance in a second?
OpenStudy (shamim):
Given v=40cm/s Lamda=8cm f=?
OpenStudy (shamim):
Use v=f*lamda
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