Science & Mathematics - 18 October 2007

2007-10-18 20:31:58 · 1 answers · asked by eashwarkay 1 in Engineering

2007-10-18 20:30:50 · 4 answers · asked by Anonymous in Engineering

2007-10-18 20:30:04 · 7 answers · asked by Teach 3 in Earth Sciences & Geology

the area of a square is 45 more than the perimeter. find the length of a side.

and

the product of two positive consecutive even integers is 224. find the integers.

2007-10-18 20:28:02 · 11 answers · asked by abad9147 1 in Mathematics

2007-10-18 20:24:58 · 8 answers · asked by Anonymous in Biology

next great invention?

2007-10-18 20:22:52 · 12 answers · asked by Anonymous in Astronomy & Space

if 6 is added to the square of a number, the result is 22. find all such numbers.

and

The product of the page numbers on two facing pages of a book is 600. find the page numbers.

2007-10-18 20:18:01 · 3 answers · asked by abad9147 1 in Mathematics

the cause for the failer to cross the bermuda

2007-10-18 20:17:12 · 1 answers · asked by Anonymous in Earth Sciences & Geology

2007-10-18 20:15:54 · 9 answers · asked by Anonymous in Mathematics

2007-10-18 20:10:00 · 3 answers · asked by budu 1 in Engineering

Exposure to high doses of microwaves can cause damage.

Estimate how many photons, with = 11 cm, must be absorbed to raise the temperature of your eye by 2.0°C.

(Assume the mass of an eye is 11 g and its heat capacity is 4.0 J/g·K. )

2007-10-18 20:07:42 · 1 answers · asked by beeboroachgoingon197 1 in Chemistry

[trying to figure out someones experience relating to doing the ouija board YEARS ago--a sequence of strange events manifested/took place afterwards]

2007-10-18 20:06:12 · 8 answers · asked by Yvonne 4 in Paranormal Phenomena

2007-10-18 19:59:56 · 1 answers · asked by vini s 1 in Engineering

A 33.5 kg child starting from rest slides down a water slide with a vertical height of 19.0 m. (Neglect friction.)
(a) What is the child's speed halfway down the slide's vertical distance?
m/s
(b) What is the child's speed three-quarters of the way down?
m/s

2007-10-18 19:55:27 · 4 answers · asked by Anonymous in Biology

2007-10-18 19:54:32 · 2 answers · asked by ASHWINI neils bohr 1 in Physics

my grandma was rushed to the hospital tonight b/c her hemglobin count was low. they are giving her 4 pints of blood. but i dont understand how it was so low. (there are 6 quarts in a human body that means there are 12 pints. 2 pints in a quart) they told her last week that she wasnt getting enought blood to the left side to her heart. i was wondering what could cause this and/ or how she sould get so low on blood that quickly.

2007-10-18 19:53:10 · 5 answers · asked by kitty 1 in Medicine

I'm talking about the simple one where you use one diod and resistor. Any formulas too? Thankyou. P.S. Not looking for LM317 diagrams. Just looking for the simple diod-resister type.

2007-10-18 19:44:26 · 5 answers · asked by Anonymous in Engineering

2007-10-18 19:42:38 · 6 answers · asked by Anonymous in Biology

2007-10-18 19:42:03 · 4 answers · asked by John W 1 in Physics

V, Ti, Mn, Y, Sc

And why?

2007-10-18 19:41:06 · 4 answers · asked by teknique 6 in Chemistry

2007-10-18 19:40:41 · 1 answers · asked by stanleynickarz 2 in Mathematics

I am curious IF YOU HAVE pls respond,thank you
and what was your true experience

sceptics scram, ty

2007-10-18 19:40:40 · 11 answers · asked by Yvonne 4 in Paranormal Phenomena

Why do you think your arm was raised w/out you knowing about it, while you were sleeping? [until realizing of course when u woke up?]
hmmm, ... have heard about this a few times but kinda STRANGE, what does it MEAN exactly?
and why in the world would this HAPPEN when naturally one's whole body is asleep,resting ??

pls no silliness, I'm serious. would this relate to anything spiritual per chance?

2007-10-18 19:39:21 · 12 answers · asked by Yvonne 4 in Paranormal Phenomena

2007-10-18 19:36:05 · 3 answers · asked by RANDOM 2 in Chemistry

I have to collect some dirty water for monday for science class (This is for bonus marks). We are to view the water under the microscope to identify protists. Any suggestions how to get the most microorganism-infested water? I am considering the ditch.

2007-10-18 19:34:34 · 4 answers · asked by Charles W 2 in Biology

2007-10-18 19:32:32 · 2 answers · asked by Rajchem 2 in Chemistry

..You have lived thru? And how did you and your family recover?

2007-10-18 19:31:59 · 6 answers · asked by MotherNature 5 in Weather

A child of mass 40 kg is sitting on a horizontal seesaw at a distance of 4 m from the supporting axis. What is the magnitude of the torque about the axis due to the weight of the child

2007-10-18 19:24:41 · 2 answers · asked by Anonymous in Physics

as far as i know we can also use a voltage meter for ghost hunting.cause it also detects electricity.so if there is energy around it will detect right??????? Please this is my only hope...

2007-10-18 19:23:01 · 9 answers · asked by constantine 2 in Paranormal Phenomena

I think this question may pertain more to women out there hey men if you know the answer more power to you :):):):)

2007-10-18 19:21:58 · 1 answers · asked by faz 1 in Chemistry