Science & Mathematics - 27 August 2007

Ok yeah, I got this idea from Superman - but what would happen if we were exposed to a sun of a different colour? Would we die? Would life as we know it work in a different way? Any scientists reading this and may know the answer, your comments are appreciated.

2007-08-27 04:56:33 · 9 answers · asked by Anonymous in Astronomy & Space

2007-08-27 04:55:44 · 11 answers · asked by Jordan 1 in Astronomy & Space

state the domain and range of the following function:

f(x) = absvalue(x + 1) + absvalue (x - 3)

2007-08-27 04:53:42 · 2 answers · asked by Anonymous in Mathematics

I heard about things called Psi balls, wheels and shield. I know its energy but i wondered if they are strong enough would it be like a force field, like the invisible woman makes on the fantastic four. Can someone that actually knows about them answer, not someone just trying to get points.

2007-08-27 04:52:22 · 8 answers · asked by Ruhaif Tousis 1 in Parapsychology

3 in two weeks so far. I keep letting them go, could it be the same one????

2007-08-27 04:50:14 · 10 answers · asked by Disco 4 in Zoology

What is the procedure for the solving of the 2X2 matrix?

2007-08-27 04:49:18 · 4 answers · asked by kcskot 1 in Mathematics

... Given the expantion of gasses happens on a flat surface and under ideal conditions.. excluding air resistance and energy absorbed by the ground. Lets use a Radius of 10 meters.

2007-08-27 04:47:56 · 3 answers · asked by dtroupe2 2 in Physics

f(x) - f(a)/x - a f(x) = 3x^2 - 7x

i have no idea, do i just subsititue the a's or is there something i need to work out with it and can someone tell me how this formula is used in precalc and calc thanks

2007-08-27 04:47:16 · 1 answers · asked by Anonymous in Mathematics

Can you help solve this order of operation? And can you please explain how you got the answer step by step. Thank You!

2007-08-27 04:45:22 · 3 answers · asked by cherry9595 1 in Mathematics

Assuming ideal behavior, how many grams of acetylene are in the tank?

A. 4.33 g
B. 6.01 g
C. 113 g
D. 1650 g

2007-08-27 04:44:52 · 5 answers · asked by william b 2 in Chemistry

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2007-08-27 04:42:35 · 7 answers · asked by Ruhaif Tousis 1 in Parapsychology

Yesterday, the sky has thin whispy clouds along side of heavy rain clouds. What causes moisture to stick together in the atmosphere and how can the same area of atmoshpere support two different types of clouds?

2007-08-27 04:42:16 · 4 answers · asked by Anonymous in Weather

hauntings, ect??
true stories pls
thx

p.s. where's the paranormal catagory on y!a&a??
thx

2007-08-27 04:38:19 · 16 answers · asked by Auntie Marie SueB 3 in Paranormal Phenomena

Three numbers form an arithmetic sequence having a common difference of 4. If the first number is increased by 2, the second number by 3, and the 3rd number by 5, the resulting numbers form a geometric sequence. Find the original numbers.


Please help me. I really tried solving it using different equations but still, i cant get an answer. Please?

10 pts for the best answer. Thanks

2007-08-27 04:37:54 · 4 answers · asked by carbonara 2 in Mathematics

3^x = 54, then 3^(x-2) =

A) 3.8
B) 4.5
C) 6.0
D) 7.3
E) 9.0

Please explain how you solved it...

2007-08-27 04:37:32 · 4 answers · asked by Anonymous in Mathematics

does anyone have a e-version of the book..
any reply would be hghly appreciated..
thanks:-)

2007-08-27 04:35:02 · 1 answers · asked by Suganya 1 in Engineering

2007-08-27 04:33:01 · 3 answers · asked by Anonymous in Chemistry

2007-08-27 04:31:15 · 28 answers · asked by GEETA P 1 in Physics

my teacher asked me to derive the Pythagorean theorem?
i dont realy know how to do it?
can someone help?

2007-08-27 04:30:38 · 2 answers · asked by The Answer 3 in Mathematics

Curious amateur photographer located at (0E, 30N) noticed a bright object rising over the horizon, and made a picture of its trajectory.
He directed his camera horizotally due south, and let exposition continue until the object fell under horizon. The trace of the projectile on the film is

a) parabola
b) ellipse
c) hyperbola
d) impossible to predict

2007-08-27 04:29:39 · 1 answers · asked by Alexander 6 in Physics

What is the ratio of Coriolios force acting on the Moon (from the point of view of observer on Earth) to the force of Earth gravity acting on the Moon?

Data:
One revolution of Earth: 24 hours
One revolution of Moon: 28 days
One revolution of low-orbit satellite: 85 minutes

2007-08-27 04:24:24 · 3 answers · asked by Alexander 6 in Physics

tissue you wipe your face with

2007-08-27 04:24:19 · 1 answers · asked by Big DummyHead 1 in Botany

I have been studing for an Algebra placement test that I will be taking on Wednesday. I have done really well, until last night. I came to the quadratic equation part of my study sheets and I cannot for the life of me remember how do complete the problems. Please help!

2007-08-27 04:24:17 · 6 answers · asked by db2437 3 in Mathematics

i put on programs last year on my graphing calculator that i don't need anymore. how can i get rid of it

2007-08-27 04:22:30 · 3 answers · asked by Hot Rod O 1 in Mathematics

as there are many gases in air . then we should feel the pressure on our body but we don't. why?

2007-08-27 04:18:46 · 13 answers · asked by Anonymous in Physics

1.Suppose the pebble is not completely covered with water, how would this affect the calculated density
2. What is the standard density of water? Describe the meaning of the said standard with corresponding meaning of the units used.

2007-08-27 04:15:52 · 1 answers · asked by clicked 1 in Chemistry

...is that true?

2007-08-27 04:15:34 · 14 answers · asked by Anonymous in Astronomy & Space

1. What evidence did you find to support the idea that matter is made-up of tiny particles and that empty spaces exist between these particles?
2. Differentiate the existence and formation of atoms, ions and molecules. Give examples of each.
3. What is the behavior of phenolphthalein indicator in basic and neutral solutions?

2007-08-27 04:13:35 · 1 answers · asked by clicked 1 in Chemistry

2007-08-27 04:11:48 · 3 answers · asked by Anonymous in Biology

2007-08-27 04:10:16 · 9 answers · asked by Anonymous in Astronomy & Space