Science & Mathematics - 19 November 2007

2007-11-19 02:27:47 · 14 answers · asked by *1NaMiLliOn* 1 in Earth Sciences & Geology

please show work

2007-11-19 02:27:22 · 5 answers · asked by michael s 1 in Mathematics

What is chebychev low pass filter?

2007-11-19 02:26:59 · 2 answers · asked by David Junior 3 in Engineering

please show work

2007-11-19 02:26:20 · 9 answers · asked by michael s 1 in Mathematics

suppose you have some clothing, and water will not take it out. If you have available cyclopentane and methanol, which would you choose as the more promising solvent to try? and why?

2007-11-19 02:22:33 · 1 answers · asked by tuazonicvirus 1 in Physics

But when i convert feet to inches using 4.9x12 it says that i'm 58.8 inches. I'm confused. Which one is correct?

2007-11-19 02:22:19 · 0 answers · asked by Anonymous in Physics

what are rectified voltage?

2007-11-19 02:13:18 · 2 answers · asked by sakura 1 in Physics

I can't think this morning - all I need to do is solve for v^2

mgh=mg(3/4h)+1/2mv^2

little help =/


note: I got through hisghschool and through calc 1 in college.... and I can't do this problem hehehe.... sad really =/

2007-11-19 02:12:02 · 5 answers · asked by Anonymous in Mathematics

2007-11-19 02:11:12 · 4 answers · asked by GoGreen 2 in Geography

2007-11-19 02:08:55 · 4 answers · asked by sanjay j 1 in Mathematics

from the current technology and the recent breakthrough in science , how much closer are we to having a car that have no contact with ground?

2007-11-19 01:56:40 · 5 answers · asked by karta s 2 in Physics

let say you have mgh-mg(3/4h) can you cancel m and g?

also, if you have mgh/(1/2)mv can you cancelout the m?

2007-11-19 01:52:10 · 5 answers · asked by Anonymous in Mathematics

How stable is the hydrogen peroxide molecule? When you use an old bottle of hydrogen peroxide which was opened previosly you often get no reaction when you add liver to it. WHY ?

2007-11-19 01:48:17 · 7 answers · asked by LIZA 4 in Biology

2007-11-19 01:47:55 · 8 answers · asked by Anonymous in Geography

Explain the effect of PH on ezymes activity ? I need this for my homework.

2007-11-19 01:45:13 · 4 answers · asked by LIZA 4 in Chemistry

2007-11-19 01:44:51 · 6 answers · asked by kennedy 4 in Geography

the molecules are five sided with three lines in them.
two of the molecules have the reversible arrow between them.
Two of the molecules have the resonance arrow between them.
Is reversible and resonance the systematic name?
Is the difference between them just the electron patterns.
Any help would be appreciated
Thanks

2007-11-19 01:44:50 · 1 answers · asked by dave k 1 in Chemistry

2007-11-19 01:44:31 · 1 answers · asked by ashok k 1 in Weather

2007-11-19 01:43:01 · 4 answers · asked by Anonymous in Botany

wasn't their some global warming going on for it to become a desert? whats all the hoopla about? how can we change something thats allways changing?

2007-11-19 01:42:46 · 4 answers · asked by bagel lover 3 in Earth Sciences & Geology

If fusing He3 (helium three) molecules found on the moon works to create a non-radio active nuclear energy, how long will it last and how will all the different countries in competition for it end up sharing the moon? Or will they?

2007-11-19 01:42:29 · 4 answers · asked by dontdoubtit 4 in Astronomy & Space

2007-11-19 01:35:44 · 24 answers · asked by Anonymous in Mathematics

A metal undergoes electrolytic reduction according to ne- + Mn+ ===> M. What current (in Ampères) must be provided to deposit the metal at a rate of 0.583 mol/hr if n = 2?

2007-11-19 01:31:33 · 1 answers · asked by kamer37078 1 in Chemistry

When a eukaryotic cell is not dividing, its genetic material can be found in the form of very long, thin fibers referred to as
A) RNA.
B) chromosomes.
C) the nucleolus.
D) chromatin.
E) the chromatid

2007-11-19 01:21:23 · 2 answers · asked by Jocelyn M 1 in Biology

Can an atom have more than one orbital shape (Im looking at the wave equation)? or is there only one orbital for the atom's electrons?

2007-11-19 01:21:07 · 1 answers · asked by Anonymous in Chemistry

How long does most doctors be in Practice before going into their own private practice?

2007-11-19 01:17:34 · 1 answers · asked by kenneth j 1 in Medicine

2007-11-19 01:17:05 · 9 answers · asked by kennedy 4 in Geography

2007-11-19 01:15:22 · 20 answers · asked by psycho german 2 in Astronomy & Space

experiment in the "the effect of concentration"
biology..

2007-11-19 01:12:40 · 1 answers · asked by blast 1 in Biology

is the claim of biologists that the beauty of nature can be seen through the microscope valid? explain your answer.

2007-11-19 01:11:25 · 2 answers · asked by Anonymous in Biology