Science & Mathematics - 9 January 2007

2007-01-09 04:36:39 · 6 answers · asked by Anonymous in Botany

2007-01-09 04:35:39 · 4 answers · asked by donnettasteve@sbcglobal.net 1 in Medicine

2007-01-09 04:34:38 · 5 answers · asked by tgrg 1 in Weather

for each of the ptobabilities below, think up two situations that have the given probability

2007-01-09 04:34:21 · 2 answers · asked by natalie c 1 in Mathematics

1-can a quantity have constant value and be dimensionless?

2-convert a power of one mega watt on a system whose fundamental units are 10kg,1dm and i minute.

3-the height of mercury column in a barometer in a calcutta laboratory was recorded to be 75cm.calculate this pressure in SI and c.g.s units using the following data:specific gravity of mercury=13.6,density of water-1000kg/m^3,g=9.8m/sec^2 at calcutta.pressure=h rho g in usual symbols?

4-the dimensions of sigma b^4 (where sigma is stefan's constant and b is wien's consatnt) are [ml^4t^-3].is it true?

5-the velocity v of a particle depends upon time t,according to the equation v=a+bt+c/d+t.write the dimension of a,b,c and d.

6-dimension of young modulus?

7-calculate the dimensions of linear momentum and surafce tension in terms of velocity v,density rho,and frequency as fundamental units.

8-find the value of 60 joule/min on a system which has 100 g,100cm and i min as fundamental units.

2007-01-09 04:32:01 · 5 answers · asked by smile 1 in Physics

It should be betn 1990 & 1999.

2007-01-09 04:31:51 · 7 answers · asked by Sudhakaran V 1 in Other - Science

what is photonic band gap in photonic crystal fiber

2007-01-09 04:30:26 · 3 answers · asked by athisesan 1 in Physics

2007-01-09 04:28:56 · 9 answers · asked by onecutebyrd 3 in Astronomy & Space

How does the scientific community define life or something as being alive?

2007-01-09 04:26:06 · 5 answers · asked by nexgenjenith 2 in Biology

i know that cosh x =(e^x+e^-x)/2 and etc.....
but what does that mean exacty?

2007-01-09 04:21:18 · 4 answers · asked by Anonymous in Mathematics

2007-01-09 04:18:20 · 6 answers · asked by Anonymous in Weather

2007-01-09 04:17:58 · 4 answers · asked by kristina p 1 in Physics

2007-01-09 04:15:53 · 7 answers · asked by Anonymous in Weather

A. A carbon atom can form multiple triple bonds.
B. A Carbon atom can form saturated and unsaturated bonds.
C. A carbon atom can bond with other carbon atoms and other elements.
D. Carbon atoms can form chanins and ring structures.

2007-01-09 04:15:31 · 6 answers · asked by Jonique B 1 in Chemistry

Write an equation leaving answer in slope-intercept form when m= -1 and line contains the point (2,-2) ??? Can someone please explain how to do this type of problem? Any help is greatly appriciated!

2007-01-09 04:13:29 · 7 answers · asked by kelseakaboom 2 in Mathematics

2007-01-09 04:13:22 · 3 answers · asked by Herma Shema 2 in Geography

1) smaller radius
2) smaller first ionization energy
3) larger atomic number
4) greater number of electrons

PLEASE SHOW PROOF

2007-01-09 04:12:53 · 2 answers · asked by Anonymous in Chemistry

How do you think think faster than light travel would work? could it work at all?

2007-01-09 04:12:41 · 12 answers · asked by weissengel86 2 in Astronomy & Space

2007-01-09 04:11:38 · 7 answers · asked by aysegul1992 1 in Astronomy & Space

2007-01-09 04:08:26 · 4 answers · asked by Rich 1 in Mathematics

Is here anyone applying to buy it, and rule there? You know you want to?

2007-01-09 04:07:01 · 10 answers · asked by Garret Tripp 3 in Geography

The Question :

A chlorine atom becomes a chlorine ion when it ________.

a.) gains an electron
b.) loses an electron
c.) gains a neutron
d.) loses a proton

2007-01-09 04:05:59 · 6 answers · asked by kmagee 2 in Chemistry

I am watching a little girl who has to take medication. Her mom told me her dosage was changed to 1000 milligrams instead of 750 milligrams. The pills are 750 milligrams. How am I suppose to give a 1000 milligrams?

2007-01-09 04:03:50 · 7 answers · asked by Heart 1 in Medicine

2007-01-09 04:03:33 · 1 answers · asked by :) 2 in Weather

for some reason,[it might be my native american herritag.] but i can tell when the weather drasticly changes! Its so weird. My first clue is anytime i see a crow/raven it weirds me out, then their is a weird ire feeling. I can barly see a color change in the sky. Then about within a day or so the weather will chage soo bad. A day ago i had a feeling that the weather might change. then within the next week or so the weather tempature has dropped significltly, other times it has just started to downpore. i live in eugene oregon and i am not 86, i 15. its alittle weird.
jdamion@gmail.com

2007-01-09 04:03:08 · 8 answers · asked by pacman1853 2 in Weather

Which of the following is the best physical description of a gene?
A. A gene is a specific segment of DNA on a chromosome.
B. A gene consists of all of the DNA on a chromosome.
C. A chromosome is a segment of a gene.
D. Genes carry many chromosomes.

Suppose you cross a true-breeding blue flower with a true-breeding yellow flower. In the next generation, all of the flowers are blue. What does this outcome tell you about the allele for blue flowers?
A. The blue allele is sex-linked.
B. The blue allele is recessive to the yellow allele.
C. The blue allele is dominant to the yellow allele.
D. The blue allele shows incomplete dominance

2007-01-09 04:02:04 · 2 answers · asked by Anonymous in Botany

2007-01-09 04:01:39 · 4 answers · asked by Anonymous in Geography

please help!

2007-01-09 04:00:57 · 7 answers · asked by kristina p 1 in Physics

keep it simple people

2007-01-09 04:00:26 · 62 answers · asked by Olly S 2 in Astronomy & Space

Marta earns an annual salary of $35,000. Her monthly rent is $670. Apply the renter's rule to determine if Marta has enough money for other needs. Show your computation and write your answer in sentence form. please, thanks

2007-01-09 04:00:12 · 5 answers · asked by Anonymous in Mathematics