Science & Mathematics - 28 October 2006

2006-10-28 12:30:16 · 9 answers · asked by Anonymous in Biology

1. Assume moderate velocity.
2. certeris paribus.

2006-10-28 12:29:21 · 4 answers · asked by turkeyphant 3 in Astronomy & Space

Here is the figure of the ring and the forces acting on it.
How would you find the net force acting on the ring?
I need help.

Picture url:
http://img415.imageshack.us/my.php?image=scanud4.jpg

2006-10-28 12:29:21 · 2 answers · asked by swimmertommy 1 in Physics

Would you please tell me what kind of changes I should make to its pdb.

2006-10-28 12:28:50 · 1 answers · asked by Anonymous in Biology

Given : a=b
then
ab=b^2
ab-a^2=b^2-a^2
a(b-a)=(b-a)(b+a)
a=b+a
a=a+a
a=2a
1=2
prove it wrong and best answer gets 10 points

2006-10-28 12:27:33 · 8 answers · asked by Anonymous in Mathematics

A survey is to be taken to determine the average age of readers of the Wall Street Journal. How large of a sample should be selected in order to estimate the average age of the readers to within 2 years with a 95% confidence? A reasonable estimate of the standard deviation is 5 years

a. 35

b. 60

c. 100

d. 24

2006-10-28 12:26:52 · 4 answers · asked by mrkittypong 5 in Mathematics

it is going to happen on all cement and we are going to light a wick leading to it what could happen if we did this?

2006-10-28 12:26:17 · 13 answers · asked by Curtis W 1 in Chemistry

2006-10-28 12:23:49 · 4 answers · asked by Anonymous in Astronomy & Space

2006-10-28 12:23:04 · 7 answers · asked by motangynia 1 in Physics

Which element is oxidized and which is reduced in the following reactions?
a.) Si (s) + Cl2( g) -----> SiCl4 ( s)
b.) 3 Cu( NO3)2 ( aq) + 2 Fe (s)------>2Fe(NO3)3(aq) + 3Cu(s)

2006-10-28 12:22:46 · 2 answers · asked by Catherine D 1 in Chemistry

was not saturn v launch station

2006-10-28 12:18:58 · 3 answers · asked by snakewrangler_2005 1 in Astronomy & Space

The combined ages of Mary and Ann is 44. Mary is now twice as old as Ann was when Mary was half as old as Ann will be when Ann is three times as old as Mary was when Mary was three times as old as Ann. How old are Mary and Ann now?

2006-10-28 12:18:36 · 4 answers · asked by bala7425 1 in Mathematics

2006-10-28 12:17:26 · 2 answers · asked by sekhtet 3 in Physics

Sucrose, C12 H22 O11, is a nonelectrolyte; hypochlorous acid, HClO, is a weak electrolyte; and sodium chloride, NaCl, is a strong electrolyte.
a). What are the solute particlespresent in aqueous solutions of each compound?
b). If 0.1 mol of each compound is dissolved in solution, which one contains 0.2 mol of solute particles, which contains somewhere between 0.1 and 0.2 mol of solute particles?

2006-10-28 12:17:08 · 5 answers · asked by Catherine D 1 in Chemistry

i need some help, we are having a test on Monday but i cant find this info.
1.two functions of dna when it unzips.
2.the parts and steps involving in bacterial transformation.
3.translation of mrna language to amino acids.
4.transcription of dna language to mrna.

2006-10-28 12:16:14 · 4 answers · asked by dancer 2 in Biology

Modern medicine has allowed so many defectives to live that our gene pool is now poisoned with rampant disease. People with chronic debilitating diseases of a hereditary nature should not breed.

2006-10-28 12:08:35 · 7 answers · asked by fleetofworlds 2 in Medicine

2006-10-28 12:08:29 · 8 answers · asked by old_brain 5 in Biology

would i get high off of it?

2006-10-28 12:07:09 · 8 answers · asked by Anonymous in Botany

What is a real world application of cotangent (cot x)? Please give a detailed discription

2006-10-28 12:06:39 · 1 answers · asked by shottundercover 1 in Mathematics

a) SO4-2 (has a charge of -2)
b) BF3
c) O2
d) Al-H-I2 (one Al, one H and 2 I atoms)

i know its not C because O2 has a zero dipole moment, since both have the same electronegativity they cancel each other out. but still i cant get to the right answer... PLEASE HELP ME!

2006-10-28 12:02:43 · 3 answers · asked by r.y 2 in Chemistry

(cos x) - (cos x / 1 - tan x) = (sin x cos x) / (sin x - cos x)

i keep getting stuck at either cos x - sin x -sinx or 0.

2006-10-28 12:02:31 · 5 answers · asked by sarah 2 in Mathematics

I really need to know, okay?

2006-10-28 12:01:48 · 14 answers · asked by Stevie t 3 in Other - Science

2006-10-28 12:00:39 · 23 answers · asked by Stuart H 1 in Other - Science

2006-10-28 11:59:17 · 19 answers · asked by eve 1 in Astronomy & Space

Think about it. Why does water vapor become individual clouds, and not just a general haze? Is there something about the water vapor that causes it to "stick together"?

2006-10-28 11:57:53 · 3 answers · asked by DavidNH 6 in Weather

2006-10-28 11:52:12 · 26 answers · asked by Anonymous in Weather

The mean monthy income of workers is $1500 with a standard deviation of $200. The highest paid 20%(.20) of these workers make at least how much?

a. 1332

b. 1900

c. 1756

d. 1668

2006-10-28 11:48:06 · 6 answers · asked by mrkittypong 5 in Mathematics

Its has nothing to do with being bigger than a bread box, lol

2006-10-28 11:47:09 · 8 answers · asked by John C 1 in Mathematics

2006-10-28 11:44:53 · 23 answers · asked by eve 1 in Astronomy & Space

Which of the following statements about boiling points of molecular substances are correct ?


a) HF has a higher boiling point than CH4

b) For the boiling points of hydrogen compounds of Group 16
H2Te > H2Se > H2S > H2O

c) For the boiling points of hydrogen compounds of Group 17
HF > HI > HBr > HCl

d) For the boiling points of hydrogen compounds of Group 14
CH4 > SnH4 > GeH4 > SiH4

note, there may be more than one answer

2006-10-28 11:44:12 · 3 answers · asked by MARK 2 in Chemistry