Science & Mathematics - 27 November 2007

2007-11-27 09:06:24 · 3 answers · asked by Ana 2 in Chemistry

clark gable is standing inside a stationary bus in front of claudette, who is seating, the bus suddenly starts moving forward and clark falls into claudette lap. explain why this happens

2007-11-27 09:03:40 · 3 answers · asked by peipei91189 1 in Physics

Can Be In World To Same people just from other country's and not a family but like his copy? and if i know about 5 like this people can i just count when some one people copy born?

2007-11-27 09:02:57 · 8 answers · asked by gcds 1 in Other - Alternative

{ (root (4n^2+3n+3)) - 2n }

2007-11-27 09:02:57 · 4 answers · asked by tc 1 in Mathematics

help?

2007-11-27 09:01:38 · 2 answers · asked by ABC 2 in Chemistry

A. carbohydrates
B. lipids
C. fatty acids
D. nucleic acids

2007-11-27 09:01:06 · 1 answers · asked by Anonymous in Biology

Hey please tell me that you know this

What are the end products of mitosis? Of meiosis?

2007-11-27 09:00:24 · 4 answers · asked by audi2402 1 in Biology

RA 308.50802083
Declination -12.34375833

2007-11-27 08:59:31 · 2 answers · asked by Anonymous in Astronomy & Space

2007-11-27 08:59:16 · 6 answers · asked by Anonymous in Mathematics

3 number between the following.

2.15 meters and 2.17 meters
0.8 meter and 0.9 meter


Help im confused to much stuff from the past

2007-11-27 08:56:22 · 3 answers · asked by Anonymous in Mathematics

Hello I want to know if I did the following question correctly :

A neon sign is made of glass tubing whose inside diameter is 0.025m and whose length is 5.5 m. If the sign contains neon at presure 0.00234 atm at 308 K, how many grams of neon are in the sign.

v = (pi)r^2 = 0.011m^3 = 1.1 x 10^-5 L

n = PV/RT = 0.00234 * 1.1 x 10^-5 / 0.08206 * 308 K

= 1.02 x 10^-9 mol

mass = moles * Mr =1.02 x 10^-9 mol * 20.18 = 2.06 x 10^-8 g

Then the another question asks :

If the pressure exerted by ozone, O3, in the stratosphere is 3.0 x 10^-3 atm and the temperature is 250 K, how many ozone molecules are in a liter?

Could somebody please show me how to do it as I know that I am doing it wrong as i obtain 4.8 x 10-5 molecules

THANK YOU!!

2007-11-27 08:56:22 · 2 answers · asked by Anonymous in Mathematics

Magnet A has twice the magnetic field strength of Magnet B (at equal distance) and, at a certain distance, it pulls on Magnet B with a force of 50 N. With how much force, then, does Magnet B pull on Magnet A?

2007-11-27 08:55:08 · 2 answers · asked by pinay804 2 in Physics

2007-11-27 08:54:57 · 3 answers · asked by Anonymous in Biology

A) mostly cytosine.
B) a copy of the DNA identical to the nuclear gene.
C) a copy of noncoding DNA.
D) a DNA copy of mRNA.

2007-11-27 08:51:32 · 1 answers · asked by laundromatic 1 in Biology

2007-11-27 08:49:34 · 2 answers · asked by stina 1 in Biology

could somebody help me to sketch the solid Q determined by the limits of integration
Int(z from 0 to 2) Int(x from 3 to 4) Int(y from -1 to 1) [xy^2+yz^3} dz dx dy.

2007-11-27 08:48:50 · 1 answers · asked by Anonymous in Mathematics

A colour- blind woman marries a man with normal vission. They have ten children, six boys and four girls. Remember colour blindness is sex-linked.

2007-11-27 08:48:28 · 2 answers · asked by mama bear 1 in Biology

2007-11-27 08:48:25 · 3 answers · asked by stina 1 in Biology

2007-11-27 08:48:14 · 4 answers · asked by Alice S 1 in Geography

2007-11-27 08:47:22 · 2 answers · asked by stina 1 in Biology

Give me details like a certain smell?
Burnt wood?
Something rotten?

2007-11-27 08:41:46 · 17 answers · asked by lostboy83c 1 in Chemistry

OK, I have to describe the transformation

f(x)=-(x-4)^2-3

MY ANSWER
1. Shift 4 units to the rt. on the hor. axis
2. Reflection through the x axis
3. vertical shift down 3 units

AM I RIGHT?

Now, Write the equation for the parabola that is

1. Shifted twenty units left
2. Vertically stretched by a factor of 6
3. Shift up 4 units

IS IT f(x)=6(x+20)+4

AM I RIGHT?

PART DUE!

What are the domain and range of the following quad. equations.

1. f(x)=-(x+7)^2+5

Is it

D=(-infinity, +infinity)...R=[5, +infinity)

IS THIS RIGHT?

and
g(x)=5x^2+25-4
5x^2+21

Well, I'm not sure how to approach this...I know completing the square is necessary but how do I do this one?

THANKS!

2007-11-27 08:41:28 · 3 answers · asked by Anonymous in Mathematics

ok well my teacher told us to go find out what a 20 sided shape is called and he willl buy that person a pop...so what is it called?

2007-11-27 08:40:07 · 7 answers · asked by Lisa 1 in Mathematics

If you have species A and B that has a death rate 0.01, or [99% cells survive from each hour to the next], what would happen if this death rate increased?

and does anyone know a good website on this stuff?

2007-11-27 08:39:57 · 1 answers · asked by aloeruffles 1 in Botany

If Shiro must sit 0.8m from the center to balance Logan, what is Shiro's mass?

2007-11-27 08:39:06 · 1 answers · asked by Anonymous in Physics

18, 7, -4, -15

2007-11-27 08:38:57 · 4 answers · asked by Still Doll << 4 in Mathematics

this is the question .two angles in a triangle measure 40 degrees and 47 degrees.tell whether the third angle is acute,obtuse or right

2007-11-27 08:36:59 · 24 answers · asked by Anonymous in Mathematics

First of all, I'll tell you flat out - I am NOT a science kinda person. I hate science, I hate science fair, and I don't like my science teacher (pointless, but it makes it all that much harder to do this).

The point is, I was looking for a quick, easy, 1-2-3 step project that was so easy, a caveman (or I) could do it. Here are the two projects I narrowed it down to:

1: Testing how the number of letters in a file change the size of the file.
------------ Basically opening Word and saving 1000 letter A's as one file, then as another file saving 2000 letter A's, then as another file saving 3000 letter A's, etc. Then comparing/contrasting the data.

2: Testing if saving an image file in a different format will change the size of the file.
---------- Saving a pic in different formats (like JPEG, TIFF, PNG, etc) and then comparing/contrasting the data.

2007-11-27 08:36:25 · 4 answers · asked by Me 7 in Other - Science

2007-11-27 08:34:39 · 1 answers · asked by Mark J 1 in Mathematics

in an isosceles triangle, if two angles are the same and one measures 28 degrees what is the measure of the other two angles? thanks a bunch!

2007-11-27 08:32:22 · 11 answers · asked by Anonymous in Mathematics