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AP Physics 1: 1.4 Waves. Which of the following is technically true for Max as he stands at the edge of oblivion?
AP Physics 1: 1.4 Changes and Conservation Laws. Find the current across R2.
AP Physics 1: 2.4 Changes and Conservation Laws. Which of the following circuits should the students use?
AP Physics 1: 1.2 Waves 20 Views
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Description:
AP Physics 1: 1.2 Waves. Which of the following correctly rewrites the statement?
Transcript
- 00:00
Thank you We sneak And here's your shmoop dooz your
- 00:06
brought to you by mechanical waves And no we're not
- 00:09
talking about what robots do it A baseball cool But
- 00:13
which of the following correctly rewrites the statement Mechanical waves
- 00:17
transport whatever physical quantity they travel through with constant speed
Full Transcript
- 00:24
And here the potential answers All right Mechanical waves or
- 00:29
disturbances in matter That matter khun b air like when
- 00:35
our mom yells at us for leaving the drawers open
- 00:38
it will matter can be water like when we cannonball
- 00:41
into a pool It can even be a solid like
- 00:44
that around in an earthquake but in all of these
- 00:48
cases the matter isn't transported It just goes up and
- 00:52
down it doesn't move forward It stays there like us
- 00:56
after eating too much spaghetti dinner the wave causes motion
- 01:00
but when the wave has passed the matter is still
- 01:03
in its original position Here's another way to think of
- 01:06
it if we take a jump rope and move it
- 01:08
up and down will create a wave but the jump
- 01:11
rope won't actually go anywhere The wave is energy moving
- 01:14
through the rope but it's not transporting it so the
- 01:17
correct answer here is be matter is disturbed but not
- 01:21
transported Answer is incorrect because waves don't constantly accelerate or
- 01:25
decelerate waves can maintain a velocity or the velocity can
- 01:29
change and answer c is wrong because waves don't transfer
- 01:32
physical or non physical quantities Energy move through a medium
- 01:36
is part of a wave but no quantities or transferred
- 01:39
and we've already discussed why the original statements wrong so
- 01:41
the that's out too well since waves don't transport any
- 01:44
matter this is another reason why spring zahra Good analogy
- 01:47
for the actions of a wave A spring moves back
- 01:50
and forth or up and down without changing its location
- 01:53
We know a lot more about waves now which is
- 01:55
great We're going to go ahead and wrap this up
- 01:58
now so we'll say goodbye That feels a little incomplete
- 02:00
though if only there was some kind of gesture is
- 02:02
something we could do with our hand to add to
- 02:04
the whole goodbye process Huh Huh No no we're stumped
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