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Science & Mathematics - 5 August 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 a/b = 3/4 and a/c = 5, what is is b/c?

2007-08-05 05:13:33 · 10 answers · asked by Marriot_Plum23 1 in Mathematics

Can we conduct electricity without metal wires or a medium?
I mean wireless conduction of electricity?

2007-08-05 05:11:34 · 9 answers · asked by Mahaveer 2 in Physics

pursuing BE in aeronautical engg, simultaneously training in SARAYA airlines in NEW DELHI airport

2007-08-05 05:08:14 · 2 answers · asked by vicky p 1 in Engineering

2007-08-05 05:07:18 · 30 answers · asked by summerbabe50 1 in Biology

I found what closely resembles and may be a "Green Tree Locust". I live in Springfield MA. Is this a bad sign, or do they inhabit this area?

2007-08-05 05:07:09 · 1 answers · asked by Anonymous in Zoology

I am designing a race car chassis. I have considered chassis as beam. In case of a bump, I have assumed that extra inertial loads will be acted on left tires (both front and rear). Now this means two vertical loads eccentric to centroid are acting on the beam. It beats me how to make the shear force or bending moment diagram in this case. Can anybody help?

2007-08-05 05:02:33 · 3 answers · asked by Muhammad Ali 2 in Engineering

What is the time difference between pacific time and central time? How many hours behind or ahead is central time compared to pacific time?

2007-08-05 04:54:23 · 4 answers · asked by Jonas Brother Lover! 2 in Geography

2007-08-05 04:49:30 · 4 answers · asked by sportscenter353 3 in Weather

2007-08-05 04:48:55 · 12 answers · asked by Anonymous in Geography

some scientists said that, they think, that if they proofed the the theory of the big bang, then they will also try to proof that the theory of the big bang, will happen but in reverse, meaning the EARTH, will heat up again and then go back to a small, HOOOOOOOOOOOOOOOOOOOttttttttttttttttttttttttttttttt, extremly hot piece of matter, is this true, weell, as for me i think what those scientists said is true, because u have global warming, and apperently, no body is doing anything about it, atleast not EVERY body, so then the theory will happen but in reverse, well, this was just a theory,and also another question will we ever proof enestien's theory, sorry i know alot of complicated questions, but sorry it is never toooo late to learn, LOL to ALL

2007-08-05 04:48:28 · 4 answers · asked by Anonymous in Physics

It has been awhile since I saw Back to the Future.

2007-08-05 04:46:52 · 6 answers · asked by brndnlee 2 in Other - Science

2007-08-05 04:44:01 · 1 answers · asked by thieyana n 1 in Engineering

5a-5b a=1 b= -2 c= 1
---------
5a-2b+c


My answer was 3/2. Teacher sad it wasn't correct.

2007-08-05 04:35:56 · 9 answers · asked by Billy_Bob 1 in Mathematics

0

I don't know if I should take this course. I have a good writer (5.5) on FCAT, and taking this along with AP Psychology (rest honors or health),


Is there anuthing that I need to do other than summer reading for prep?

2007-08-05 04:27:23 · 1 answers · asked by ? 1 in Physics

solve the following equations for y'

a. xy' + y =1+ y'
b.2x + 2xy' + 2y + 3y^2y' = 0
c.x/y' + y = 5/y'

please please help

2007-08-05 04:21:47 · 4 answers · asked by Paul C 1 in Mathematics

Ben and Willy can paint a room in 12 days working together. If Ben can finish the job in 16 days working Alone, how long will it take Willy to finish the job working alone?

2007-08-05 04:05:22 · 12 answers · asked by Herk Kulease 1 in Mathematics

If 25 flowers r placed in a row so dat da center of their bases r 8 inches apart, how many feet r there in da distance from da circle of da first flower pot 2 da center of da last pot?

Plz its 4 school and i dont understand how to get da answer
10 pts for whoever gets ansewr or can atleast explain it to me
Thanx a ton!!!!!

2007-08-05 04:05:07 · 5 answers · asked by hUMOR*mE 2 in Mathematics

If one goes really deep into space and gets lost, stranded, enters a wormhole, whatever, is it possible that we could end up in an Earth where say for example JFK was never shot and died of old age? Or how about ending up in an Earth where the Axis powers won World War II?
How about traveling into the past? Is it possible to land into an Earth where its the time of the Roman Empire, or the time of Jesus Christ? What about landing in a future Earth where the year 3000, or 4000? Is this really possible? I know it sounds crazy, but given the complexity and vastness of the Universe, is there a remote possibility that this could happen?

2007-08-05 03:59:24 · 5 answers · asked by pegasus777777 1 in Other - Science

2007-08-05 03:45:56 · 1 answers · asked by Anonymous in Botany

solve the following equations for y'

a. xy' + y =1+ y'
b.2x + 2xy' + 2y + 3y^2y' = 0
c.x/y' + y = 5/y'

please please help

2007-08-05 03:30:51 · 1 answers · asked by dingdong 1 in Mathematics

1) 108 adults were on board a train.After 1/3 of the men and
3/4 of the women alighted fm the train,there were 47 adults
left in the train.Find the number of women who alighted fm
the train.

2) Eugene and shashi had some picture cards each. Eugene gave 30% of his picture cards to Shashi.Shashi then gave 50% of his picture cards to Eugene.As a result,the ratio of Eugene picture card to Shashi picture card became 11:4.
a) What was the ratio of Eugene picture cards to Shashi picture cards at first?
b) If Shashi had 248 picture cards at the end,how many picture cards did he have at first?

2007-08-05 03:27:31 · 5 answers · asked by yuki z 1 in Mathematics

can you set up this problem for me?
Train A leaves station and travels north at 75km/h . Two hours later Train B leaves the station at 125 KM/h . In how many hours will they meet?

2007-08-05 03:23:06 · 3 answers · asked by < / 3 1 in Mathematics

Check this article:

http://www.csmonitor.com/2007/0803/p01s10-woeu.html

2007-08-05 03:17:36 · 3 answers · asked by Scythian1950 7 in Other - Science

Is it possible? Why?

2007-08-05 03:13:23 · 3 answers · asked by nivik 3 in Mathematics

2007-08-05 03:10:58 · 1 answers · asked by MELODY 1 in Botany

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