++ ATOT official NEF thread part IV ++

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M

MotF Bane

No Lifer
Dec 22, 2006
60,801
10
0
And yes, I've used that argument before on more than one science teacher, and they've never come up with a satisfactory reply.
 
M

MotF Bane

No Lifer
Dec 22, 2006
60,801
10
0
Another negative feedback.

I don't know who gets these, but at the least, it'll make me happier, and they'll damn well know their system isn't satisfactory.
 
shortylickens

shortylickens

No Lifer
Jul 15, 2003
80,287
17,081
136
shebeastcover.jpg
 
Locut0s

Locut0s

Lifer
Nov 28, 2001
22,205
44
91
MotF Bane said:
No.

I'll defeat sig fig with a single equation that a third grader can do.

3/2=2, per sig fig.

And we all know that isn't right.

BANE RESTS.
Click to expand...

Well the point is if your instrument is only accurate to 1 or 2 sig figs those are the type of results you might get. And that's the point, it IS important.
 
Locut0s

Locut0s

Lifer
Nov 28, 2001
22,205
44
91
Anyone want to buy $10,000 in hardware so I can add some good numbers in my last few days here? :p
 
M

MotF Bane

No Lifer
Dec 22, 2006
60,801
10
0
Another short feedback. I'm up to four feedbacks over just the first 20 questions, another 10 to go.

An hour for just 20 questions. I'd be done already if these were on paper, and done 15 minutes ago at least.
 
M

MotF Bane

No Lifer
Dec 22, 2006
60,801
10
0
Use the concepts in this chapter to obtain an estimate for the number of atoms in the universe. Make the following assumptions: (a) Assume that all of the atoms in the universe are hydrogen atoms in stars. (This is not a ridiculous assumption because over three-fourths of the atoms in the universe are in fact hydrogen. Gas and dust between the stars represent only about 15 of the visible matter of our galaxy, and planets compose a far tinier fraction.) (b) Assume that the sun is a typical star composed of pure hydrogen with a density of and a radius of . (c) Assume that each of the roughly 100 billion stars in the Milky Way galaxy contains the same number of atoms as our sun. (d) Assume that each of the 10 billion galaxies in the visible universe contains the same number of atoms as our Milky Way galaxy.

ROFOLASOLORF LOOOOOLLLLLLLLLLLLLL
 
alfa147x

alfa147x

Lifer
Jul 14, 2005
29,307
106
106
At 39 rue de jean for dinner then headed to The Gin Joint which is modeled after a 1920 speakeasy.
 
M

MotF Bane

No Lifer
Dec 22, 2006
60,801
10
0
91.4% on the homework.

Just shy of two hours, for a mere thirty questions. I would've been done over an hour ago on paper.
 
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