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Science & Mathematics - 10 December 2007

[Selected]: All categories Science & Mathematics

Agriculture · Alternative · Astronomy & Space · Biology · Botany · Chemistry · Earth Sciences & Geology · Engineering · Geography · Mathematics · Medicine · Other - Science · Physics · Weather · Zoology

If the resistance of an electric circuit is 12 ohms and the voltage in the circuit is 60 V, the current flowing through the circuit is

A. 720 A.
B. 0.2 A.

C. 5 A.

D. 60 A.

2007-12-10 06:04:00 · 5 answers · asked by Alfonso M 1 in Physics

i recently see a movie...i don't know how it was named...but it was about a guy who lived in a city named Liban...anyone knows where that is?

2007-12-10 06:03:51 · 2 answers · asked by baby rux 2 in Geography

The magnitude of the voltage induced in a conductor moving through a stationary magnetic field depends on the _______ and the _______ of the conductor.

A. length, speed
B. color, capacitance

C. distance, circumference

D. resistance, current

2007-12-10 06:03:39 · 3 answers · asked by Alfonso M 1 in Physics

2007-12-10 06:03:29 · 8 answers · asked by Anonymous in Other - Science

The middle of the wire sags 0.25m at temperature 0C and 0.5m at 35C.
Linear density of the wire is 2kg/m.
Elastic koeeficient of the wire is k=600,000 N/m x m = 6e5N

What is coefficient of linear thermal expansion of the wire?

2007-12-10 06:02:14 · 1 answers · asked by Alexander 6 in Physics

I am suppose to simplify.

2007-12-10 06:02:04 · 9 answers · asked by Munec 1 in Mathematics

If light leaving the earth travels out into the universe, does that mean theoretically, in millions of years time, people on a distant planet with a a yet to be invented super telescope could see US walking around on earth as we are now?

2007-12-10 06:00:59 · 11 answers · asked by Anonymous in Astronomy & Space

If you think about it, every galaxy had black holes, we don't actually know really what they are.

If we had a ship, that was not affected by gravity.

And we were an advanced enough species to do that. there must then be something there, so theorize what that could be.

2007-12-10 05:59:57 · 17 answers · asked by H 3 in Astronomy & Space

does anyone think that the technology we use today was invented//created by really clever people? or did other intelligence help in designing them? (:
and,, imagine if life didnt exsist,, no universe, stars, planets, sky, people, water x)

2007-12-10 05:58:04 · 12 answers · asked by Anonymous in Astronomy & Space

do you think it’s possible to inject yourself with 3 times the lethal dose of heroin in your bedroom then walk to your living room, turn on the tv and sit on the couch

2007-12-10 05:55:56 · 4 answers · asked by Anonymous in Medicine

Your nervous system integrates and interprets sensory information from the world around us ranging from simple reflex arcs to listening to a symphony. How are these sensory processes similar? How are they different?

2007-12-10 05:53:14 · 1 answers · asked by Linda k 1 in Zoology

I've got to learn this for an exam and i cant find any info anywhere!

2007-12-10 05:52:13 · 1 answers · asked by Anonymous in Earth Sciences & Geology

i have heard the iss can be seen on clear nights and mornongs,does anyone know when?

2007-12-10 05:51:11 · 3 answers · asked by steve b 1 in Astronomy & Space

niagra falls was awsome, is there anyway to see the ground more clearly?

2007-12-10 05:48:26 · 10 answers · asked by kathleenhorn55 1 in Astronomy & Space

2007-12-10 05:47:52 · 6 answers · asked by a6703216432 1 in Weather

Tell me asap please

2007-12-10 05:46:20 · 1 answers · asked by Anonymous in Earth Sciences & Geology

2007-12-10 05:40:51 · 3 answers · asked by Lazy 1 in Geography

hint: first find parametric equations for x and y

2007-12-10 05:38:34 · 1 answers · asked by whizkid2007 1 in Mathematics

any help would be awesome

2007-12-10 05:36:59 · 16 answers · asked by booster11373 2 in Mathematics

2007-12-10 05:29:26 · 17 answers · asked by Untitled 1 in Astronomy & Space

Using the quotient rule I came up with:

f'(x) = [-2x^2 + (x^2+7)^1/2] / (x^2+7)^3/2

It seems to me that either I screwed up or I can't figure out how to simplify this better. I appreciate your time and help.
Thanks,
Jim

2007-12-10 05:27:10 · 7 answers · asked by jimmcdoomas 1 in Mathematics

http://i25.photobucket.com/albums/c64/str8ruckus/clouds.jpg

Apologies for the crap quality; I took this just outside of San Francisco, through the window of my truck. The clouds coming over the mountains were ridiculously sexy-looking, so I was wondering if anyone knew what kind (if there's even a term for them) of clouds these are, exactly.

Thankyas.

2007-12-10 05:25:19 · 12 answers · asked by Brandon's been a dirty Hore 5 in Weather

2007-12-10 05:24:03 · 4 answers · asked by mS_w0nDer 2 in Biology

anyone know what the "pooled standard error" is??

2007-12-10 05:22:14 · 2 answers · asked by Amanda 1 in Mathematics

I am doing a quiz, it is 10 questions long and I am in need for your help.
I do not understand multiplying fractions but I do get adding and subtracting so here is the question and if you can please explain it to me in the easiest understandable format as possible, it is really much appreciated!

2/15 x 5/8

Also how do you do it with dividing also?

2007-12-10 05:15:45 · 7 answers · asked by - 1 in Mathematics

Find the equation that passes through (2, 3) if its slope is given by:

dy/dx= 4x-3

2007-12-10 05:14:37 · 3 answers · asked by Anonymous in Mathematics

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