GREPhysics.NET: GR0177 #20

GR0177 #20

Problem

GREPhysics.NET Official Solution

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Electromagnetism $\Rightarrow$ }Bremsstrahlung

One might recall the English translation of Bremsstrahlung, which is "braking radiation." The only choice that has to do with acceleration is choice (E).

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Comments

zengwl17206
2017-09-10 23:31:37

Griffiths P487

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sina2
2013-08-26 23:15:02

Why the spectrum should be continuous ?

deneb
2018-10-15 23:29:30

My reasoning is the breaking happens continuously. It\'s not quantized like an electron jumping energy levels. You don\'t go from 10 m/s to 5 m/s without slowing down to 9, 8, etc.

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Albert
2009-10-27 14:02:33

Thanks again Yosun, for this very useful site. You're helping a great number of people, including some slow ones like myself :)

Btw, you have a good sense of humour. In the scale of 900's :)

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erc
2005-11-09 10:57:46

Typo alert: In this case, you mean "braking" rather than "breaking".

(Reference for those for whom English is a second language: "breaking" means coming apart, eg when you drop something; "braking" means slowing something down i.e. what the brakes of a car do)

yosun
2005-11-09 14:40:00

um.. erc: thanks erc for the semantics pointer; the mis-spelling has been corrected.

(for the record, my roommate was having something of a midlife crisis when I was typing this bit of the GR0177 solutions up. mmhmmm, so, she was breaking a bunch of vases her ex gave her... and so, our wave functions *tructively interfered and i wrote breaking instead of braking.)

erc
2005-11-11 08:51:30

Good Lord! I hope your room-mate is feeling better!

Please feel free to delete my comment.

yosun
2005-11-11 14:11:03

erc: nah, i'm not deleting any comments. this site'll have its memories..

pray
2014-02-28 20:07:42

My roommate is making all noise from 10:00pm to 7:00am. Talking high and laughing high, coming out and doing cooking and laundry, and inviting friends for online gaming and movies, etc.
Earplug and foam cannot help. Anyway, with constant communication it stills cannot help as he claims that this is his schedules. I cannot have a good sleep. God, I beg that I can have a good sleep before exams like PGRE. I beg you. I suffer enough of this and the hairless! If you see this message, please pray for me.

pray
2014-02-28 20:09:15

typo: hairloss
enough peace!

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Thanks again Yosun, for this very useful site. You're helping a great number of people, including some slow ones like myself :) Btw, you have a good sense of humour. In the scale of 900's :)

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$\ddot{x},\dot{x}$	$\ddot{x},\dot{x}$
$\sqrt{z}$	$\sqrt{z}$
$\langle my \rangle$	$\langle my \rangle$
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