kieulinh712002 kieulinh712002
  • 22-07-2021
  • Physics
contestada

Một loa phát ra với cường độ âm là 40 (W/m2

). Mức cường độ âm của loa thuộc phạm vi?

Respuesta :

hoangkimnam2000
hoangkimnam2000 hoangkimnam2000
  • 22-07-2021

Answer:ew

Explanation:

qeeqw

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