Science & Mathematics - 3 November 2006

2006-11-03 23:56:09 · 4 answers · asked by Palestini Detective 4 in Physics

Rock salt contains some insoluble impurities such as sand and clay. I want to know how to obtain pure common salt from rock salt.

2006-11-03 23:55:17 · 4 answers · asked by son_ray 2 in Chemistry

2006-11-03 23:52:37 · 21 answers · asked by Vampire 2 in Physics

2006-11-03 23:50:57 · 0 answers · asked by john hadad 1 in Medicine

2006-11-03 23:47:45 · 4 answers · asked by jeanie 1 in Zoology

2006-11-03 23:42:47 · 6 answers · asked by j_r_m_doctor 1 in Botany

and High voltage transmission line power capability assesment computation if possible microsoft excel based

2006-11-03 23:42:40 · 1 answers · asked by ilyas_idris 1 in Engineering

How do I do this? A full working will be appreciated

2006-11-03 23:42:19 · 10 answers · asked by Daniel 2 in Mathematics

2006-11-03 23:38:59 · 5 answers · asked by Vivek G 1 in Biology

f(x)=(1+x)^2 / 1 - x

2006-11-03 23:35:23 · 5 answers · asked by miserable 2 in Mathematics

2006-11-03 23:34:30 · 11 answers · asked by Krishan P 1 in Mathematics

2006-11-03 23:32:57 · 4 answers · asked by Anonymous in Engineering

It has a 4" bore with a 5" stroke and is about 40yrs old, the pistons are actually leather "buckets" . I need to know how to adjust the solanoid that regulates the cut off for the water pressure. I can provide serial numbers and model type if required. Also spare parts if possible.

2006-11-03 23:29:51 · 1 answers · asked by atmoby 1 in Engineering

Secret advanced earth bound experimental craft? Or visitors from another Galaxy?
Have a look at this I peronally think it's the best ever video taken of a UFO
What do you think?

http://www.youtube.com/watch?v=FtKuBKIaVvs&mode=related&search=

2006-11-03 23:25:32 · 25 answers · asked by Sir Sidney Snot 6 in Astronomy & Space

3. What would you expect the value (as a power of 10) of a centrillion to be in each the old and new system ?
4.The old system has some advantages: for example.
(a quadrillion)x(a quintillion) = a nonillion.
a- Why is this an advantage? Is there a problem that allows you to predict the name for the product of 2numbers in the old system ?
b- What happens in the new system ?
5. What do u expect to be the answer to :
( a sextillion) x ( a septilion)
a- In the old system?
b- In The new system ?
Names:
6. Find out about the numbers
a- A gillion
b- A googol
c- A googolplex.
7. The Ancient Greeks did not write using the powers of 10. This made it more difficult for them to think about large numbers. Archimedes wrote The Sandreckoner for the King Hieron 2 show that the numba of grains of sand in the universe must be finite. To do this he showed that there cannot possibly be more that N grains of sand in the universe. Find out how big Archimedes' number N was as a power of 10

2006-11-03 23:18:59 · 8 answers · asked by Anonymous in Mathematics

Ok, so there's about 6 billion of us, each with an internal temperature of around 98 degrees F. What heat energy are we, as a species, expelling into the air? Should countries with less people, ie Greenland, be held less responsible for those for instance in China? Are we just too damn hot?

2006-11-03 23:17:10 · 13 answers · asked by Duncan S 2 in Earth Sciences & Geology

2006-11-03 23:15:13 · 14 answers · asked by sufiyan.munir 1 in Astronomy & Space

My daughter recently got some maths homework on the powers of 10 Please help !This is a passage on the worksheet:
In the margin is a list of English number names together with the numbers that they represent. The old meanings were widely accepted until 20 or so years ago: thses old meanings are still standard in some languages ( such as German). In the English speaking world the old usage has been largekly replaces by the new. Only the first three names are widely used.

The Questions:
1. If you know the power of 10 for a number in the new system. how do you work out the power of 10 for the number with the same name in the old system?
2.Each number name has a different prefi. What patterns or rules can you find to help work out which power of 10 is represented by each number.
@- In the old system ?
@- In the new system?

a- How are the powers of 10 related to the prefixes in the old system?
b- How are the powers of 10 related to the prefixes in the new system?
Please help!

2006-11-03 23:04:32 · 7 answers · asked by Anonymous in Mathematics

A crate of mass 11.5 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling force is 100N parallel to the incline, which makes an angle of 21.0 degrees with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 4.05 m.

There are five questions to answer, but I need the final velocity in order to figure them out. I'm stuck. Can you help?

2006-11-03 23:02:39 · 3 answers · asked by krisski 3 in Physics

i started my recidency in anesthesiology..but i have doubts about it..first of all i come home very tired and just fall asleep watching tv..and my real anciety about it is that the patient doesn't know you, you are like a guest star in the movie and the number one actor, patient's real doctor is surgeon..it is a bit bothering because i carry their life and they don't even know my name..

2006-11-03 22:57:39 · 6 answers · asked by burnberry 2 in Medicine

I have heard that the ships and aeroplanes which passed above the Barmuda Triangle drowned without any reason. Is there any scientific reason/supernatural power that makes every ship drown passing accross the Barmuda Triangle.

2006-11-03 22:54:24 · 10 answers · asked by Koushik C 1 in Geography

with a single stroke, you can change a digit or alter a arithmatical sign ( = or+ )

2006-11-03 22:50:43 · 7 answers · asked by majormojo51 1 in Mathematics

N Acetyl Cysteine
used for what?? any one knows about it??

2006-11-03 22:49:18 · 2 answers · asked by Anonymous in Medicine

like topaz, emerald, saphiere etc is der anymore?

2006-11-03 22:45:06 · 8 answers · asked by stuck wif homeworks 2 in Chemistry

2006-11-03 22:43:25 · 3 answers · asked by reginuta 1 in Botany

any body saw UFO???

2006-11-03 22:39:44 · 9 answers · asked by volkanpirincci 1 in Astronomy & Space

2006-11-03 22:33:28 · 2 answers · asked by sad 1 in Engineering

i mean if most of the signals to the brain r carried from the fovea centralis(the yellow spot) where there r only cones,,so how do we actually focus in the dark,,where the rods r functioning.?
10 points to the most relavant answer

2006-11-03 22:22:13 · 8 answers · asked by catty 4 in Biology

2006-11-03 22:22:11 · 3 answers · asked by alina a 2 in Zoology

2006-11-03 22:21:25 · 9 answers · asked by vishal 1 in Engineering