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(b) Complete the sentence about longitudinal
waves.
The vibrations of the air particles are.....
to the
direction of energy transfer.

(C) A stationary car horn emits a sound wave frequency 400 Hz. The wavelength of the wave is 0.85 m. Calculate the speed of sound.

Respuesta :

john4184

Answer:

see below

Explanation:

b ) the vibrations of the air particles are parallel to the direction of energy transfer.

c) use formula

speed = wavelength x frequency

speed = 0.85 x 400

speed = 340 m/s

hope you get it

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