Science, asked by sumanarpit395, 7 months ago

A sound wave having wavelength 40 m produces 30 crest and 30 troughs in 90 seconds . Calculate frequency ,time period and speed Also calculate time required to cover 5 km. distance.

Answers

Answered by 1705060411

0

Answer:

40 * 30 * 30 / 90 secs

Explanation:

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