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GR0177 #59
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Alternate Solutions |
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Comments |
theperiodictable
2014-10-23 11:05:59 | One good thing to consider for this problem is the following: the only thing you can have a derivative of is x, since m and k are constants, so Q must be x. |  | bslugger360
2013-08-11 16:21:51 | Another thought that helped me was looking at the energy of a spring and the energy of a capacitor:
From this it's pretty clear that Q x and C1/k, making B the only possible answer. | | mrTrig
2010-11-09 00:43:49 | Something nice to remember  for LC Circuits. And from hook's  . Thus L and C must be inversely related and must be related to either  or  . Only B satisfies. | | carl_the_sagan
2008-11-07 19:48:26 | A really cheesy way is to totally disregard the question and just look at the answers. Typically on a question like this they are going to have to repeat the correct value for each column a few times.
so "m" is repeated in L, "1/k" is repeated in C, and "x" is repeated in Q. The only answer which lines all these multiple-occurring rows is B.
Granted this has nothing to do with physics, but this isn't about physics, its about getting the right answer.
amber
2014-10-22 23:27:03 |
I went with this route too. I figured if there were two that were close I could reason it out, but I didn't have to do that.
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UNKNOWNUMBER
2018-10-18 21:06:34 |
I don\'t think this works all the time--I would say you just got lucky.
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