Physics, 19.07.2019 22:00 hihihi129473838
Mary's class is studying sound waves. mary played two sounds on her flute. for the first sound, mary blew gently. for the second sound, mary blew into the flute with a lot of force. what change can you hear?
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Mary's class is studying sound waves. mary played two sounds on her flute. for the first sound, mary...
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