A sound wave has a frequency of 5 kHz and wavelength 10 cm. How long will it take to travel 2.5 km?

A sound wave has a frequency of 5 kHz and wavelength 10 cm. How long w

1.	A sound wave has a frequency of 5 kHz and wavelength 10 cm. How long will it take to travel 2.5 km?
A.	5 s
B.	4 s
C.	3 s
D.	2 s
E.	None of these
Answer» B. 4 s

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A sound wave has a frequency of 5 kHz and wavelength 10 cm. How long will it take to travel 2.5 km?

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