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A wave has a wavelength of 9 mm and a frequency of 6 hertz. What is its speed?
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A wave has a wavelength of 9 mm and a frequency of 6 hertz. What is its speed?

User Montmons
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Speed = (frequency)x(wavelength).

Frequency = 6 Hz
Wavelength = 9mm = 0.009m.

Speed = (6 Hz) x (0.009m) = 0.054 m/s or 54 mm/sec.
User Martin Pernollet
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