Question

A sound wave has a frequency of 3 khz and wavelength 30cm. How long will it take to travel 500m.​

Answer 1

Answer:

5/9 sec

Explanation:

v = freq × wave length

then v = d/t

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Answer 2

Answer:

hlww reply tooh d dete direct vhaa s chle gye but mujhr y smjh nhii aaya block q kiyaa thaa mujhee y tooh bta jtiii