Science & Mathematics - 11 October 2007

in what direction do you see the change to be at higher shear rate?

2007-10-11 23:56:17 · 2 answers · asked by oopsy 1 in Physics

relating periods and sizes of orbits..

2007-10-11 23:52:57 · 3 answers · asked by imnotyours 1 in Physics

Find the set of values of x for which (x - 6)^2 > 0

Ans: x < 4 or x > 9

Please show your workings clearly and explain..thanks

2007-10-11 23:50:39 · 4 answers · asked by Anonymous in Mathematics

Sure;lt it would be more practical than wearing clothes....

2007-10-11 23:47:18 · 19 answers · asked by lala 1 in Zoology

Can someone please explain to me a simpler way of understanding standard deviation?

2007-10-11 23:39:54 · 2 answers · asked by ~♥Angel Of Music♥~ 5 in Mathematics

2007-10-11 23:27:04 · 2 answers · asked by giulio 2 in Geography

ok can someone do this for me
gravity times your weight = weight on planet or moon

weight= 127 ibs.

please multipy by each of these numbers =D

moon-0.17
mercury-0.38
venus-0.86
earth-1.0
mars-0.38
Jupiter-2.87
saturn-1.32
uranus-0.93
neptune-1.23

thank you!!!

2007-10-11 23:26:48 · 4 answers · asked by Anonymous in Astronomy & Space

Hi, I have a degree that's totally unrelated (Archaeology), and I'm now 22 in a full-time job.

But all of a sudden, and I don't know why, I've become reeeeeally fascinated by animal behaviour, spefically how they react to their environment and the level of their self-awareness. I don't know why this is, as it literally came about whilst I was observing my cats and it's lit a fire in my belly.

What's a good place for me to start researching as a beginner? Are there any relevant publications/ weeklies? Can you do serious, scientific courses in to animal behaviour? Where abouts in the UK is renowned for this, and could I go straight in at postgrad level with some background reading?

Thanks!

2007-10-11 23:19:59 · 7 answers · asked by Anonymous in Zoology

During summer, leaves are generally bright green. What would you hypothesize that his indicates about the role of green light wavelength, chlorophyll, and the photosynthetic process?

2007-10-11 23:02:26 · 2 answers · asked by Anonymous in Botany

I'm as small as an ant, as big as a whale. I'll approach like a breeeze, but can come like a gale. By some I get hit, but all have shown fear. I'll dance to the music, though I can't hear. Of names I have many, of names I have one. I'm as slow as a snail, but from me you can't run. What am I?

2007-10-11 23:00:52 · 4 answers · asked by James G 1 in Other - Science

I think I've figured out the answer. If you have any faith in genetic evolution, surley whatever laid the egg must have been 99.9999% chiken, but not genetically a chiken. Due to a mutation in the growing chick, it became what we now know as a chicken what do you think? (Interested in hearing the creationist's view on this one).

2007-10-11 22:46:33 · 18 answers · asked by Flank 3 in Biology

Please put the follow sets of atoms in lowest to highest ionization energy (each letter contains 3 elements put those in order)

a. Mg, Si,S
b. Mg,Ba,Ca
c. F,Cl,Br
d. Ba, Cu, Ne
e. P, He, Si

2007-10-11 22:44:00 · 1 answers · asked by Anonymous in Chemistry

Hi I have to find two articles about something going on with a country related to geography. I'm having a hard time finding articles and I can't think of a topic that might help me find an article. Does anyone know of any sites with some? I greatly appreciate all the help you guys give!

* Countries I can pick from are Canada, Mexico, Argentina, Brazil, Chile, Cuba, Venezuela, Guatemala, Honduras, and Colombia.

2007-10-11 21:57:19 · 3 answers · asked by Kimmy 2 in Geography

(3/5,4/5) is a point on the unit circle, how do i find the angle it forms in terms of decimal number or pie?

2007-10-11 21:52:40 · 5 answers · asked by Shukie L 2 in Mathematics

2007-10-11 21:51:01 · 12 answers · asked by Anonymous in Biology

- what is the number who have asked today?
- would it disturb you if it was an odd number?
- it certainly disturbs me that the number is increasing
- what should their punishment be?
- are they an odd bunch, or a peculiar bunch

2007-10-11 21:49:48 · 6 answers · asked by smci 7 in Mathematics

Question: Let A = [2 0 -1]
................... ........... [4 1 -4]
................... ........... [2 0 -1]
is A diagonalizable ?
If yes then find P and D such that
D = (p^-1)A(P)
where P^-1 means inverse of P

2007-10-11 21:39:11 · 3 answers · asked by amjad 1 in Mathematics

i still seem to be struggling with limits here is the latest problem i don't understand

the question is:

The gravitational force exerted by earth on a unit mass at distance r from the center of the planet is

f(r) = GMr/R^3 if r GM/r^2 if r>or= to R
...where M is the mass of earth, R is its radius, and G is the gravitational constant. Is f a continuous function of r?


this is a piece wise fxn if that isn't clear.

2007-10-11 21:36:25 · 2 answers · asked by Brews 2 in Mathematics

Is it:
A. 6
B. 7
C. 11
D. 12
E. 13

2007-10-11 21:34:25 · 25 answers · asked by illegal_worker 1 in Mathematics

Is it:
A. 27
B. 34
C. 36
D. 45

2007-10-11 21:32:06 · 31 answers · asked by illegal_worker 1 in Mathematics

Let m, n be positive integers and let a be an integer greater than 1. Show that (a^m − 1, a^n − 1) = a^(m,n) − 1.

How would I grind through it? Couldn't I use m>n with m=qn+r and then...

use GCD / Euclid's Algorithm.. and then..again..then..

2007-10-11 21:31:14 · 3 answers · asked by Unknown 1 in Mathematics

It seems like they all do.

I did, than as I grew older I love them.

Same with everyone I know.

2007-10-11 21:21:23 · 19 answers · asked by Anonymous in Biology

2007-10-11 21:10:24 · 8 answers · asked by pamelaacedera 1 in Botany

Thankyou :)
Why is the Dibbler worth saving?
How does it fit into the ecosystem?
Whats in interation with other animal? (if possible using a food web)

2007-10-11 21:04:57 · 1 answers · asked by Anonymous in Biology

2007-10-11 21:01:06 · 5 answers · asked by Zach-7 3 in Astronomy & Space

For some reason I just can't get it. I keep waiting for that ah ha moment that hasn't came yet. I can't help my daughter at all with it.

2007-10-11 20:59:52 · 6 answers · asked by kitkat1640 6 in Mathematics

i am sorta lost on finding limits, i think i understand the concepts, but am lacking in algebra possibly.

here is a prime question:

evaluate the limit lim x->7 (sqrt(x+2)+3/(x-7)

every time i try the problem, i end up with zero on the top and zero on the bottom... and i don't see anything that can factor.
what am i missing?

2007-10-11 20:39:15 · 4 answers · asked by Brews 2 in Mathematics

like stone age, iron age like wise

2007-10-11 20:38:48 · 4 answers · asked by Anonymous in Biology

I just asked a math question and found an old paper, that I also need help with, Im very bad at these and have tried multiple times already here are the questions......

3 over 8 + 5 over 16

2 and 7over 16 +1 and 1 over 4

1 and 1 over 16 * 1 and 1 over 8

3 over 16 8 3 over 4

2 * (3 and 3 over 4 + 1 and 1 over 16)

express as fraction or mixed numeral in lowest terms....

I would appreciate help very very much thank you :) :)

2007-10-11 20:38:29 · 10 answers · asked by Anonymous in Mathematics

2007-10-11 20:17:03 · 11 answers · asked by Aya 3 in Astronomy & Space