erock1587 erock1587

Today at 10:46 PM
Physics

Answered

Sound waves with a frequency above 20,000 Hz are referred to as
infrasonic waves
ultrasonic waves
sonic booms
doppler waves

Answer :

Today at 10:51 PM

Ultrasonic waves is the answer

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Anissaamaris10 Anissaamaris10

Today at 10:52 PM

Answer: The answer is ultrasonic waves.

Explanation: they use these waves for big machines because they have a powerful charge.

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