Science & Mathematics - 31 January 2007

A charge of +1.80 x 10^-9 C is placed at the origin, and another charge of +5.00 x 10^-9 C is placed at x=1.9m. The coulomb constant is 8.98755 x 10^9 (N x m^2/c^2). Find the point (coordinate) between these two charges where a charge of +3.50 x 10^-9 C should be placed so that the net electric force on it is zero. Answer in units of meters.

2007-01-31 11:36:49 · 2 answers · asked by Anonymous in Physics

is there a one half of 3/5 and 3/10

2007-01-31 11:35:41 · 3 answers · asked by Charelle L 2 in Mathematics

I have to paint a picture for art class, and I wanted to do a weird animal. I mean REALLY weird. It has to have at least three colors, not inc. black or white.


Thanx!

2007-01-31 11:32:29 · 9 answers · asked by Anonymous in Zoology

Plz help me in solving ...........
I will guarantee if you can solve it..........
Plzzzz

2007-01-31 11:31:49 · 8 answers · asked by VinZ W 1 in Mathematics

I am looking for a photo taken by an eyewitness of a tornado (a F5 in May 1997).
When the photo is viewed sideways it looks like Jesus is 'scooping' everything up in his hands.

2007-01-31 11:31:30 · 4 answers · asked by msj2uk 3 in Weather

The school board of Port Disney thinks the best kind of elementary schools are small, neighborhood schools. So their schools have about 200 students each. About one-third of the population is of elementry school each. Port Disney's population has been increasing over the past twenty years and the growth trend is expected to continue. How many new schools will Port Disney need and when should they build them?
Year Population
1970 24,567
1980 31,200
1990 39,312

Make predictions for the population of Port Disney for the next 30 years, based on data from past years. Show all work! PLEASE!

This is the equation i started with!! PLEASE HELP best answer will recieve 10 points!!

31,200=24,567(1+x) to the power of "t"

PLEASE help!!

2007-01-31 11:30:52 · 3 answers · asked by Anonymous in Mathematics

did man really go to the moon?

2007-01-31 11:30:00 · 9 answers · asked by Anonymous in Astronomy & Space

its snownig HARD at mine i live in central arkansas if it is snowing at your house what state do you live in?

2007-01-31 11:29:25 · 9 answers · asked by Anonymous in Weather

2007-01-31 11:28:46 · 4 answers · asked by ? 1 in Biology

3p - 4 = 8

2x + 5 = 3

8 - 6 w = 50

5m + 6 = -4

6= 3y - 12

-4y + 5.1 = 8.3

2007-01-31 11:28:45 · 7 answers · asked by Anonymous in Mathematics

Imagine a chess piece (we'll call it the "majarajah") that combines the powers of the queen and the knight. The task is to place ten majarajahs on a 10x10 chessboard so that none of them are attacking each other.

To illustrate the problem, here are two positions that don't quite fulfill the requirements. In the first position, the majarajah on the left edge attacks another majarajah by a knight move. In the second position, the majarajah on the left edge attacks another majarajah along a diagonal.

_ _ _ X _ _ _ _ _ _
_ _ _ _ _ _ X _ _ _
_ _ _ _ _ _ _ _ _ X
_ X _ _ _ _ _ _ _ _
_ _ _ _ X _ _ _ _ _
_ _ _ _ _ _ _ X _ _
X _ _ _ _ _ _ _ _ _
_ _ X _ _ _ _ _ _ _
_ _ _ _ _ X _ _ _ _
_ _ _ _ _ _ _ _ X _


_ _ _ _ X _ _ _ _ _
_ _ _ _ _ _ _ _ X _
_ X _ _ _ _ _ _ _ _
_ _ _ _ _ X _ _ _ _
_ _ _ _ _ _ _ _ _ X
_ _ X _ _ _ _ _ _ _
_ _ _ _ _ _ X _ _ _
X _ _ _ _ _ _ _ _ _
_ _ _ X _ _ _ _ _ _
_ _ _ _ _ _ _ X _ _

2007-01-31 11:26:11 · 2 answers · asked by Anonymous in Mathematics

f(z)=i-z squared
i think the answers are i,1+i,i am i right

2007-01-31 11:26:01 · 1 answers · asked by nisha10mabry 3 in Mathematics

w mosquito is flying around an empty room that measures 20 feet long by 16 feet wide by 9 feet high. AT ANY particular moment, what is probability that the mosquito will be no more than 3 feet from the floor?

2007-01-31 11:23:55 · 3 answers · asked by badboys_218@verizon.net 1 in Mathematics

6x squared+4=0

2007-01-31 11:23:41 · 6 answers · asked by nisha10mabry 3 in Mathematics

2007-01-31 11:21:58 · 4 answers · asked by Anonymous in Biology

Which of the following is an infectious agent that lacks DNA or RNA?

A. A prion
B. A viroid
C. A capsid
D. A prophage
E. A provirus

2007-01-31 11:21:32 · 6 answers · asked by answer_me 1 in Biology

The 1994 Winter Olympics included the aerials competition in skiing. In this event skiers speed down a ramp that slopes sharply upward at the end. The sharp upward slope launches them into the air, where they perform acrobatic maneuvers. In the women's competition, the end of a typical launch ramp is directed 63° above the horizontal. With this launch angle, a skier attains a height of 10.2 m above the end of the ramp. What is the skier's launch speed?

2007-01-31 11:21:13 · 2 answers · asked by Anonymous in Physics

plllleaaaaaaseeee help me out.

2007-01-31 11:20:39 · 4 answers · asked by Anonymous in Chemistry

2007-01-31 11:19:34 · 1 answers · asked by Anonymous in Biology

2007-01-31 11:18:46 · 7 answers · asked by Om 5 in Mathematics

2007-01-31 11:18:06 · 10 answers · asked by Anonymous in Medicine

I know he puts a stake where a corner of the building will be, then he runs a chalk line where the front of the building will be and puts a stake on that line a specified distance. Then he runs another line a specified distance from the first stake where the side of the building will be. He temporarily puts a stake at that point. Then he runs a third line from the second stake and extends it to toward the stake marking the side of the building and adjusts that stake without changing the distance of that stake from the first stake until it meets the last line and that creates a right angle for the corner of the building. But I don't the dimensions he uses for the front and the side of the building..

2007-01-31 11:17:39 · 6 answers · asked by WILLIAM S 1 in Engineering

how big? what special markings? and anything else you can find

2007-01-31 11:17:11 · 2 answers · asked by shav4u 2 in Zoology

x^2 over x - 3 minus 9 over x-3


Also:
5a - 12 over a^2 - 8a = 15 minus 3a - 2 over a^2 - 8a + 15

2007-01-31 11:17:00 · 7 answers · asked by Anonymous in Mathematics

Math Question

2007-01-31 11:16:48 · 4 answers · asked by Jenna P 1 in Mathematics

2007-01-31 11:15:29 · 7 answers · asked by Anonymous in Geography

our knowledge and what we know about things is said to double every three years. so what we know now at that rate will have increased by 1,048,567 in 60 years. did anyone see that show on discovery about 2057? they mentioned we could download every book or movie ever made in the blink of an eye... they didnt say how we'd watch those movies that far in the future. i doubt it'll be sitting on the couch with a bowl of popcorn. not only will the medical industry and science industry use the technolgy but so will the entertainment industry. what if we could watch movies by being in them, kind of like virtual reality? or, say, a holodeck type set up like you see in the matrix except we can leave whenever we want. what if we put in "the illusionist" and became a spectator in the crowd? or to take it a step further, what if we could be on of the characters, alternate scenes and endings would have to be put in so the movie we're experiening matches the decisions we make. so could it happen?

2007-01-31 11:15:07 · 4 answers · asked by Boomer 1 in Physics

2007-01-31 11:12:10 · 1 answers · asked by Lonnie 1 in Mathematics

lab work..

2007-01-31 11:12:09 · 6 answers · asked by Armand P 2 in Chemistry

four 1.0 g spheres are dropped
(in a square shape, each 1cm from eachother to form the square, 1 sphere at each corner)

What is the speed of each sphere when they are very far apart?

each sphere is 10nC and positively charged

2007-01-31 11:12:00 · 1 answers · asked by Anonymous in Physics