Science & Mathematics - 26 September 2006

2006-09-26 13:26:39 · 13 answers · asked by Anonymous in Other - Science

how would you find the 1st and 2nd derivative of this function?

h(x)= tan^-1(x^2)

2006-09-26 13:25:11 · 2 answers · asked by Anonymous in Mathematics

2006-09-26 13:25:00 · 4 answers · asked by aSIANbOY8 1 in Biology

2006-09-26 13:24:49 · 1 answers · asked by mitch 1 in Biology

Assume air temperature of -8C and density of the compacted blocks of snow as 481 kg/cu m.

2006-09-26 13:24:25 · 8 answers · asked by KaseyMoe 3 in Mathematics

If electrons were positive and protons were negative, would Coulomb's law be written the same or differently?

2006-09-26 13:22:24 · 12 answers · asked by MegN 1 in Physics

2006-09-26 13:22:22 · 4 answers · asked by Anonymous in Biology

2006-09-26 13:21:59 · 2 answers · asked by aSIANbOY8 1 in Biology

When you rub one material against another, eletrons jump readily from one to the other right? So why don't protons do the same? (in atomic terms)

2006-09-26 13:20:05 · 5 answers · asked by MegN 1 in Physics

(x+1)/(x-1)=(-12/x+3)+(8/x^2+2x-3)


I'm sure theres a simple thing I'm missing but I can't figure out how to solve this.

2006-09-26 13:19:46 · 5 answers · asked by levine 2 in Mathematics

John can build a fence in 2 days; Bill can build the same fence in 5 days. If John and Bill worked together, how long would it take them to build the fence?


thanks!

2006-09-26 13:19:09 · 6 answers · asked by ♥ 3 in Mathematics

Cl2, NaNO3, CaO, HBr, CuCl2, AsH3, NO2

2006-09-26 13:18:51 · 2 answers · asked by darkmagician_007 3 in Chemistry

2006-09-26 13:18:04 · 10 answers · asked by Steve L 1 in Earth Sciences & Geology

2006-09-26 13:17:49 · 3 answers · asked by cookie_20042005 1 in Mathematics

I heard this myth and was wondering who heard the same

2006-09-26 13:16:52 · 8 answers · asked by curious 2 in Other - Science

2006-09-26 13:15:59 · 7 answers · asked by Angel 3 in Mathematics

2006-09-26 13:15:09 · 1 answers · asked by Rena Sweet 2 in Physics

2006-09-26 13:14:34 · 9 answers · asked by Anonymous in Chemistry

my calculator broke. I have a TI 83 and when i turn it on it is just a black screen. Ive tried to change the thing where you hit second and then move the broghtness up or down. I even tried reseting every back to defaults. I need to know because calculus and chemistry homework is impossible to do with out it.

2006-09-26 13:12:14 · 3 answers · asked by MagicGhost 2 in Mathematics

A problem occured when this problem was being printed. It seems that the printer was running out of ink and only printed some of the numbers. Can you write in the missing numbers to complete the problem?
##3
x2##
-------
#1#7
#7#0
#14#00
---------
#25###

Can someone fill in the # signs with numbers to make the equation work. Thanks

2006-09-26 13:11:15 · 3 answers · asked by Anonymous in Mathematics

Is there any expiriment at home I can do to extract DNa from me and be able to see it?

2006-09-26 13:09:22 · 9 answers · asked by Anonymous in Biology

AsH3, NaNO3, Cl2, NO2, CaO, HBr, CuCl2

2006-09-26 13:09:15 · 3 answers · asked by urlast2003 1 in Chemistry

2006-09-26 13:07:47 · 4 answers · asked by Rena Sweet 2 in Physics

"A disorder in humans results in the absence of dynein in flagella and cilia. The disease causes respiratory problems and sterility in males. What is the connection between these two diseases?

2006-09-26 13:05:56 · 2 answers · asked by Anonymous in Biology

2006-09-26 13:02:39 · 5 answers · asked by marvin_motley 1 in Chemistry

PLEASSSE HELP!

2006-09-26 13:00:54 · 7 answers · asked by noelleschemicalromance162 1 in Weather

2006-09-26 12:59:12 · 3 answers · asked by Anonymous in Other - Science

2006-09-26 12:57:21 · 4 answers · asked by doorseeker 1 in Astronomy & Space

2006-09-26 12:56:31 · 14 answers · asked by ♪ ♫ ☮ NYbron ☮ ♪ ♫ 6 in Physics

With respect to forces, how are electric charge and mass alike? How are they different?

Does it have to do with Coulomb's Law? Or am I way out of the ballpark?

2006-09-26 12:56:23 · 3 answers · asked by MegN 1 in Physics