x10^(11) x10^(2) ÷10^(23) = 10^(-10)

I went over this this morning and here's what I'm guessing (assuming that I've used the correct method...) By using the Avogadro Constant my answer will be in grams? That is 10^(-10)g which is equal to 10^(-13)kg??! That is the only way I can think of. I automatically assumed that the answer for mass would be in its SI units, kilograms.

And BoxBox: where on earth could you have gotten 42 from?

Thanks for replying guys.

The answer is always 42. Incidentally, I once received partial credit on a physics exam after writing 'the ford prefect' as an example of dark matter. Thank god for science professors with a sense of humor.

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You are kind of boring - Blackorion
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Your awesome!!! - Cherelle_Ashley
NightSwan also said that she wanted to peg me, once, but I'm not sure whether to take that as a compliment or a threat...

lol, sigh, young kids today don't read sci fi books like we did...now it's all twilight and new moon and gay vampire and underage drinking Hijiie Bijiie

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Ah, I see. A little Googling was all it took. I did gather it was some kind of reference/joke - just not very clued up as to where it came from.

I do miss the good old days of physics class though until my lecturer quit in order to pursue a career in 'professional' gambling...

EDIT: BoxBox Young=/=Twilight love. Do not go there! Nothing wrong with fantasy/vampires though... (but I do draw the line at Twilight). However, I've never taken much of a liking to sci-fi.

Last edited by leloMew at 1:56 pm, Feb 28 2011

LOL, chill gay vampire fan girl.

It's just the Hitchhiker's Guide to the Galaxy is the craziest sci-fi I ever read. I still think the author had to be on LSD or something.

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Nice - very weird but nice Was the movie any good?

And, uh, thanks for your little 'compliment.' Don't worry, I don't bite (vampires aren't my thing either).

God we're rambling here...

Last edited by leloMew at 2:25 pm, Feb 28 2011

Thanks box


@leloMew: Ask yourself, "where does the decimal go?"

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lol, how about the origin of the giraffe or God? [which was a clever way to expose circular logic used by religious people in the proof of God. Basically, there was never any logic to begin with] and my favorite song from a movie sing by dolphins.

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Gay book discussion thread

I've read most of the HHGG books...
So, I was not thanking you because of the trailer link.

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"Officially, this machine doesn't exist, you didn't get it from me,
and I don't know you. Make sure it doesn't leave the building."

uhhh.....ok? I was just citing out good parts in the book. Whatever.





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I plugged your numbers into a calculator (well actually the python shell) and got 1.9*10^-13.
here, pure c&p:

so I'll reiterate that the calculation works out fine.

You've also got your scientific notation wrong as it's (10^11*10^-1)/10^23 which is 11-1-23 = -13
.131 is 1.31*10^-1 .

Anybody here know calculus II? Or differential equations?

Well, I have this problem:

Find the particular solution for the equation:
sqrt(x^2+1)dy/dx = x/y such that y(0) = 14

I'm already on my last chance for this webassign problem

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What have you already tried? And what are you currently covering in class? Are you supposed to use laplace transforms, find the characteristic function, just move the variables to the right sides and integrate?

Last edited by story645 at 10:28 pm, Feb 28 2011

sqrt(x^2+1)dy/dx = x/y such that y(0) = 14

I got y = sqrt(2(x^2 + 1)^(1/2) + 194)

^^

H/o, I'll scan my work for you. Typing it all out is a pain.



EDIT: Oops, change 97/2 to 194.

Story645 is right, just move your variables and integrate. Unless you're using some other method of finding the particular solution~ o-o

Last edited by StarlightDreams at 10:48 pm, Feb 28 2011

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you can use Wolfram Integrator to check your answers

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