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ANEK [815]
3 years ago
10

A wave has a wavelength of 7 mm and a frequency of 9 hertz. What is its speed?

Physics
1 answer:
Snezhnost [94]3 years ago
8 0
Speed of wave = Frequency x Wavelength
so Speed = 0.7 x 9 = 6.3

remember the calculations must be done in their Basic SI units.
therefore, you have to convert 7 mm to meters which becomes 0.7 meters

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