question archive 4) What is the period of a wave if its speed is 45 m/s and its wavelength is 3
4) What is the period of a wave if its speed is 45 m/s and its wavelength is 3
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4) What is the period of a wave if its speed is 45 m/s and its wavelength is 3.6 m?
A. 0.080 s
B. 8.0 s
C. 13 s
D. 160 s
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Period = 1/f
Frequency = c / λ = wave speed c (m/s) / wavelength λ (m).
F = 45/3.6
Frequency = 12.5Hz
period = 1/f
Period = 1/12.5
Period = 0.080s
