awsomebubbles7 awsomebubbles7

07-04-2018
Physics

contestada

Think critically vibrations cause sounds yet if you move your hand back and forth you don’t hear a sound

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grace072702 grace072702

07-04-2018

You can not move your hand fast enough, the lowest frequency sound is about 20 cycles per second, if you could move your hand that fast, you might hear sound.

Love, grace-

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samezegbo samezegbo

07-04-2018

Moving your hand back and forth does not go fast enough to move the air particles fast enough to cause sound waves.

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