Chemistry, 10.06.2021 14:00, hamadehassan

Loud speaker A vibrates 200 times each second. Loud speaker B vibrates 400 times each second. a)What is the frequency of the sound produced by Loud speaker A ? Give the value and unit. b)Which loudspeaker produces higher frequency of vibrations?
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Loud speaker A vibrates 200 times each second. Loud speaker B vibrates 400 times each second. a)What is the frequency of the sound produced by Loud speaker A ? Give the value and unit. b)Which loudspeaker produces higher frequency of vibrations? (Show calculations)

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Loud speaker A vibrates 200 times each second. Loud speaker B vibrates 400 times each second. a)What is the frequency of the sound produced by Loud speaker A ? Give the value and unit. b)Which loudspeaker produces higher frequency of vibrations?
(Show calculations)