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Anonymous
Physics Questions these days 2017-08-01 05:28:38 Post No. 9077206
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Physics Questions these days 2017-08-01 05:28:38 Post No. 9077206
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Really oscillates that amplitude
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>>9077206
How the fuck did you fail this question? Have you never looked at a simple wave graph?
Science class?
Math class (sin&cos functions)?
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A is the only one that makes any fucking sense kek
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>>9077505
Amplitude is distance from equilibrium to peak dumbass. It's constant unless the wave is decaying, and even then it's not oscillating.
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>>9077505
>physical quantity
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>>9077206
>The physical quantity, which oscillates in most waves, is...
>"which oscillates in most waves" is a clarifying phrase...
>The question is, "The physical quantity is..."
Who the fuck wrote this question?
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>>9077550
that's why the clarifying phrase is there, dumbass
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>>9077555
Which is removable, because the context is about the physical, you know, the ROOT question. There are PHYSICAL waves, after all. And anyone passing 8th grade English would understand this question is poorly formed for the purpose it serves. You'd THINK an instructor would understand that who should be held to a much higher standard.
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I guess mass is what oscillates in a mechanical wave but still.
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>>9077560
>removable
>the physical quantity is:
Lol
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>>9077562
>he doesn't know how commas work
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>>9077560
You can remove it and it would be a valid question, you just wouldn't know what it's about. That's why the clarifying phrase is there, you know, to clarify things.
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>>9077567
>that's why a sentence fragment is there
You still can't ignore "physical quantity." Which eliminates non-physical answers regardless of any phrases added.
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>>9077571
what's your point?
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>>9077582
>brainlet
That IS the point. lol Dumbass.
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>>9077515
B as well, depending on what sub-field of physics we're talking about and what one would consider "most waves".
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>>9077615
But mass-energy equivalence means that A and B are equally correct.
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>>9077740
in addition to that, the energy of a wave is proportional to the amplitude squared.
so A, B and C are all correct
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