Math, asked by kkeshavulu887, 5 months ago

a sound wave has a frequency of 30kHz a and wave length is 30cm . how long will it take to travel 3 km​

Answers

Answered by Mahanita
0

10

Step-by-step explanation:

3km=3000 m

therefore,

3000/30*30

3000/300

10

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