Science & Mathematics - 2 September 2007

2007-09-02 19:21:27 · 3 answers · asked by harPOON capt uss TANG 2 in Chemistry

2007-09-02 19:21:20 · 2 answers · asked by BARBIE M 1 in Engineering

2007-09-02 19:15:15 · 2 answers · asked by Guadalupe G 1 in Geography

2007-09-02 19:12:25 · 2 answers · asked by Anonymous in Mathematics

I want 70 Sq. Mtr. of 60X30 centimetre tile. What quantity should I purchase. Also show how to calculate.

2007-09-02 19:11:26 · 5 answers · asked by d s 2 in Mathematics

Is it something to do with the size of the metal's lattice? Can any metal exist as a single or a few atoms metallically bonded? I know that Sodium is highly reactive but I cannot understand why Na2 does not exist unless it is ionically bonded to something else.

2007-09-02 18:58:51 · 2 answers · asked by Gideon 1 in Physics

What would be the best type of signal for an underwater device.

For Example: If there was a waterproof Electronic Device and a waterproof wireless remote control for this device what would be the best type of wireless signal technology (such as: bluetooth, ultra sound...) for this device?

2007-09-02 18:45:21 · 3 answers · asked by MaKaVeLi 1 in Engineering

8(-4x-2)+10=-42

2007-09-02 18:41:12 · 7 answers · asked by Anonymous in Mathematics

im looking for electronical corss and im not surr i can do it or not and i have maths problem so what do u think how is importent in this job?

2007-09-02 18:30:48 · 4 answers · asked by Anonymous in Engineering

I love learning. Believe it or not, I was the kid in the back of the class dozing off, but something's changed. For the past few years, I love learning. So, anyone recommend any good websites? computers, technology, science?

2007-09-02 18:27:39 · 9 answers · asked by Anonymous in Astronomy & Space

Ok. Theres two laws that say matter and energy can neither be created nor destroyed, right?

I've been thinking about a way to possibly break those laws...

When matter moves at the speed of light, it becomes pure energy.

If that is so, something could accelerate to the speed of light and become pure energy. Thus destroying the matter and creating energy.

Does that seem possible?
Could that, in theory, break those laws?

2007-09-02 18:26:20 · 7 answers · asked by Andreios 3 in Physics

we really do need to wake up to this mystery. these traills in the sky that look like contrails that come from jet airoplanes but dont be fooled because that is not what they are. contrails dissappear within minits, chemtrails dont, they disburse and cover our sky, sometimes completly, disguising thier selves as clouds. take time to look, clouds move these things dont, they expand and just hang there right above us. SOS who is giving the orders to the jet pilots to fly and contaminate our attmosphere. ? who is the boss man ?

2007-09-02 18:25:17 · 3 answers · asked by pax-hell slave 1 in Earth Sciences & Geology

R=r+400(w-l)/n

I cant understand why I keep gettin lost on this formula. Is there anywhere I can read more information on the logic of solving a problem like this, my textbook don't seem clear to me.

Just started college after 18 years away from doing any math like this and what use to be my favorite subject is now becoming one of my most difficult

2007-09-02 18:24:34 · 7 answers · asked by mister_anonymous1970 2 in Mathematics

if the beginning of time according to evolution taught in schools is that a giant explosion (bang) happened and eventually formed into planets, where did all this matter come from? tell me, evolutionists, who or what created all this matter? how could something the size of a period on a piece of paper become all of this? if that IS true, didnt someone have to create all that matter to explode? when did something small and uncomplicated become something large and so complicated that we can barely comprehend it? if you take a stick of dynamite and put it next to some fallen trees, does it explode to become a log cabin?

2007-09-02 18:23:44 · 11 answers · asked by Skynyrd Lover 1 in Earth Sciences & Geology

Is there a very simple way i can do this?

2007-09-02 18:22:31 · 7 answers · asked by Anonymous in Mathematics

Imagine that I can, well tell me, what do I visualize first in order to bring down the temperature as its very hot here right now.
Imagining rain in a heatwave seems to create humidity and lightning.. tell me exactly how cool weather HAPPENS. I would be very intrigued to know.

2007-09-02 18:22:10 · 8 answers · asked by artistcreatorcomposer 2 in Astronomy & Space

Imagine that I can, well tell me, what do I visualize first in order to bring down the temperature as its very hot here right now.
Imagining rain in a heatwave seems to create humidity and lightning.. tell me exactly how cool weather HAPPENS. I would be very intrigued to know.

2007-09-02 18:19:09 · 6 answers · asked by artistcreatorcomposer 2 in Weather

can someone please explain to me how to do this??
9-x2(squared)
----------------------------
10x2(squared)-28x-6

2007-09-02 18:18:20 · 3 answers · asked by mylady 1 in Mathematics

2007-09-02 18:11:57 · 3 answers · asked by Anonymous in Mathematics

2007-09-02 18:09:47 · 6 answers · asked by Anonymous in Mathematics

does any/some of the water that comes out of the faucet come from the ocean? Or is there a way you can purify water from the ocean to make it drinkable (is there a factory where they purify it if they do, or is it more like a machine you can buy and do it yourself?)


no silly answers, thanks in advance

2007-09-02 18:09:26 · 13 answers · asked by A. 2 in Earth Sciences & Geology

Dont need the answer just steps to make it easy

2007-09-02 18:07:51 · 2 answers · asked by Someone 2 in Mathematics

please help..we are doing this project about global warming and does anyone know some possible solutions to global warming???and also the consequences to that solution???...please help..

2007-09-02 18:05:35 · 10 answers · asked by SUp? 1 in Earth Sciences & Geology

in the cabin of a jetliner that cruises at 600 km/h, a pillow drops from an overhead rack to your lap below. since the jetliner is moving fast, why doesn't the pillow slam into the rear of the compartment when it drops? what is the horizontal speed of the pillow relative to the ground? relative to you inside the jetlinder?

2007-09-02 18:02:56 · 5 answers · asked by book worm 1 in Physics

2007-09-02 18:00:51 · 6 answers · asked by myffab 1 in Astronomy & Space

the height y of a baseball thrown by a child is

y = 1/10x^2 + 3x + 6

where x is the horizontal distance in feet from where the ball was thrown. Will the ball fly over the head of another child 30 feet away trying to catch the ball. The child who is trying to catch the ball holds a baseball glove at a height of 5 feet.

2007-09-02 17:59:40 · 1 answers · asked by josh h 3 in Mathematics

how do i get the surface area of a cone

I don't know how to get the slant height

the dimensions are: true height: 9 base radius 7
thank u very much

2007-09-02 17:58:58 · 2 answers · asked by tenshi 2 in Mathematics

Is it possible for self-replicating DNA to form with more than two strands in its helix? If not, might it be something to try when we get around to crafting synthetic cells?

2007-09-02 17:57:49 · 5 answers · asked by uncleclover 5 in Biology

find the value(s) of x for which f(x)= g(x)

f(x) = square root of 3x+1, g(x) = x +1

2007-09-02 17:55:55 · 2 answers · asked by josh h 3 in Mathematics

ive never had a job , but have applied for tons. i'm a college senior. i hate living with my parents, i hate living in wisconsin where the world shuts down between decmeber and march every year. i want to move t osome place where winter doesnt cause awful awufl suffering and derpession. what should i do?

2007-09-02 17:51:29 · 10 answers · asked by the Bruja is back 5 in Weather