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  • 11-10-2015
  • Physics
contestada

an ultrasound wave vibrates 30,000 times per second. what is the frequency

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AL2006
AL2006 AL2006
  • 11-10-2015

"Hertz" is the unit of reciprocal time, "per second".

"30,000 per second" means "30,000 Hertz". 

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