Seudónimo
Seudónimo
10-12-2020
Physics
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Why can ultrasound not be heard by humans?
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cierrajennings1
cierrajennings1
10-12-2020
Ultrasounds have sound waves that have frequencies greater than 20,000Hz (20 kHz). This is above the normal hearing range for humans which is why we can not here ultrasounds
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cannionvalleyyyyy
cannionvalleyyyyy
11-12-2020
the person aboved me answered it
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