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A toddler discovers that an empty 2 L soda bottle with a length of 30 cm makes an excellent musical instrument. What not

Posted: Mon May 16, 2022 5:49 pm
by answerhappygod
A toddler discovers that an empty 2 L soda bottle
with a length of 30 cm makes an excellent musical instrument. What
note do they hear when they blow air across its open end? Assume
the speed of sound in air is 343 m/s.
A. 1144 Hz B. 572 Hz C. 143
Hz D. 286 Hz