AP Physics 1: 3.4 Waves
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AP Physics 1: 3.4 Waves. Which of the following describes the sound wave produced?
AP Physics 1 | Waves |
Language | English Language |
Transcript
of transfers lodge tunel Okay well sound waves could be
used for good like when our favorite song comes up
in our playlist or they could be used for evil
like when our neighbor decides to motel on at seven
in the morning anyway sound waves start when something vibrates
Those vibrations moving back and forth create longitudinal waves compressing
and expanding the air compression and expansion That means we're
dealing with longitudinal waves so answers a and b are
out and unlike trans verse waves longitudinal waves don't displace
matter The waves make particles within matter scrunch together or
get farther away But it's not like ripples in a
pond moving up in nam longitudinal waves carry energy and
momentum but they don't create displacement So the right answer
well that'll be option c and this makes sense if
we just consider how an object creates sound we think
of something vibrating we can see how it would compress
the air around it way just shouldn't try to actually
eat with a tuning fork will just end up hearing 00:01:21.939 --> [endTime] longitudinal waves coming from our empty stomach