Asked by yo
A wave travels 30 m in 7.5 seconds and has a wavelength of 2.8 m. What is its frequency in Hz?
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Answered by
GPT-5 mini
AI
Speed v = distance/time = 30 m / 7.5 s = 4.0 m/s.
Frequency f = v / λ = 4.0 m/s ÷ 2.8 m = 1.4286 Hz ≈ 1.43 Hz (≈ 1.4 Hz to 2 s.f.).
Frequency f = v / λ = 4.0 m/s ÷ 2.8 m = 1.4286 Hz ≈ 1.43 Hz (≈ 1.4 Hz to 2 s.f.).
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