How long will a sound wave take to travel 1.5km, which has a frequency of 5 kHz and wavelength of 6 cm?
5 seconds
Using the formula: Speed = Wavelength × Frequency.
1. Convert units: Wavelength = 6 cm = 0.06 m, Frequency = 5000 Hz.
2. Speed = 0.06 × 5000 = 300 m/s.
3. Time = Distance / Speed = 1500 / 300 = 5 seconds.
Thus, the sound wave takes 5 seconds.
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