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ASVAB Physical Science Videos 21 videos
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ASVAB Physical Science 6.4 174 Views
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Description:
ASVAB Physical Science 6.4. How fast sound waves travel depends on which of the following?
Transcript
- 00:00
Thank you We sneak and here's your shmoop du jour
- 00:05
brought to you by sound waves If you're listening to
- 00:07
this right now that means we're sending waves of sound
- 00:10
into your brain Creepy right But well we promise we'll
- 00:14
only use our powers for good How fast Sound wave
Full Transcript
- 00:17
travels Depends on which of the following and hear the
- 00:20
pendulum answers forthem medium through in here Well sounds pretty
- 00:25
cool when you think about it It's created by invisible
- 00:28
waves that vibrate incredibly fast usually hundreds or thousands of
- 00:32
times a second That vibration then travels into our ears
- 00:35
which is pretty impressive Seriously go look at your ear
- 00:38
hole in the mirror like see how tiny it is
- 00:40
and that's it that's all it takes for us to
- 00:42
hear the whole universe of sound sound waves travel through
- 00:45
a medium which is our case usually the air But
- 00:48
they can travel through any substance really as long as
- 00:51
there are particles to pass the waves along in a
- 00:53
vacuum like space Well since there was no matter out
- 00:56
there sound can't travel twenty movie you watch where a
- 00:59
ship goes screaming through space blasting blazers and go you
- 01:04
you well guess what lies lies lies and what determines
- 01:09
the speed of the sound waves of the medium they
- 01:11
travel through so sound travels faster through water than it
- 01:13
does through the air faster through wood than it does
- 01:17
through water and faster to our mothers than to anyone
- 01:20
else in the world though for some reason that only
- 01:22
seems to apply the things that get us in trouble
- 01:24
In any case the correct answer to this question is
- 01:25
b medium through which sound is traveling but just because
- 01:28
we think it's pretty cool that we're still sending sound
- 01:31
waves and your brain lets go ahead and disprove the
- 01:33
other options Well the force with which the sound was
- 01:36
created determines how intense it is but it doesn't affect
- 01:39
the speed so is incorrect and interference with different sound
- 01:43
waves can make sound louder quieter but not faster or
- 01:46
slower Soc doesn't sound right either and sound and light
- 01:50
waves or different things Light is an electromagnetic wave and
- 01:54
sound is a physical wave They don't really interact at
- 01:57
all which rules out d c these sound waves were
- 02:00
painless and helpful if only all sound waves work that 00:02:02.91 --> [endTime] way
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