Science & Mathematics - 11 July 2007

2007-07-11 09:37:45 · 3 answers · asked by syd l 2 in Astronomy & Space

2007-07-11 09:31:32 · 9 answers · asked by Anonymous in Astronomy & Space

2007-07-11 09:29:23 · 4 answers · asked by Anonymous in Mathematics

2007-07-11 09:26:43 · 2 answers · asked by syd l 2 in Mathematics

A = f (r) = the area of a circle of radius r

2007-07-11 09:25:11 · 6 answers · asked by Anonymous in Mathematics

When The Big Bang Created Time and Space and Planets And Stuff, We All Know That It Was Gases That Created The Big Bang, But What Was There Before The Big Bang?

2007-07-11 09:24:54 · 15 answers · asked by Smurf 1 in Astronomy & Space

Solve the following system of equation by using the addition method.


x – y = 12

2x + y = 3

2007-07-11 09:24:38 · 2 answers · asked by Mandalicious 1 in Mathematics

My book says that Ca2+ and Mg2+ are in a 1:1 molar ratio with EDTA. However, what about compounds like Co and others? When will I know when it isn't a 1:1 ratio?

2007-07-11 09:20:46 · 2 answers · asked by ScienceNut 2 in Chemistry

2007-07-11 09:20:42 · 4 answers · asked by Girl 3 in Astronomy & Space

A= f (r) = the area of a circle of radius r

2007-07-11 09:19:57 · 5 answers · asked by Anonymous in Mathematics

A.) its axis
B.) its center
C.) its center of gravity

aslo 2.

any force that keeps an object in a circular path is
A.) centrifugal force
B.) rotational inertia
C.) centripetal force
D.) none of the above

also 3.
consider an ant walking along the edge of a spinning merry-go-round. what force(s) keeps the ant traveling in a circle?
A.) centrifugal force
B.) centripetal force
C.) both a and b
D.) neither a nor b

also 4.
which force(s) is an inward force?
A.) centrifugal force
B.) centripetal force
C.) both a and b
D.) neither a nor b

also 5.
the outward force of rotational motion is
A.) centrifugal force
B.) centripetal force
C.) torque
D.) none of the above

aslo 6.
consider an annt walking along the edge of a spinning merry-go-round. what force(s) pushes the ant closer to the edge?
A.) centrifugal force
B.) centripetal force
C.) both a and b
D.) neither a nor b

someone please help me

2007-07-11 09:16:30 · 4 answers · asked by sagen j 1 in Physics

Thanks!

2007-07-11 09:15:32 · 6 answers · asked by justask23 5 in Other - Science

Just wondering.......
Also do you think the good balances with the bad in terms of ethical events?

2007-07-11 09:14:43 · 11 answers · asked by Crafty Ladee :oP 2 in Astronomy & Space

Two .20g metal spheres are hung from a common point by nonconducting threads 30cm long. both are given identical charges, and the eectrostatic repulsion forces them apart until the angle between the threads is 20 degrees. how much charge was placed on each sphere?

ok how would i start this problem?? can u even do this without knowing the charges? id really appreaciate some help on this stuff, i dont get it. thanks

2007-07-11 09:13:45 · 3 answers · asked by Kel 1 in Physics

Why is a capacitor connected between the input and ground terminals of the module in circuits?

2007-07-11 09:12:09 · 2 answers · asked by jeson 2 in Engineering

2007-07-11 09:11:19 · 6 answers · asked by Anonymous in Chemistry

2007-07-11 09:09:27 · 9 answers · asked by Girl 3 in Astronomy & Space

2007-07-11 09:07:34 · 6 answers · asked by Joe W 2 in Weather

2007-07-11 09:06:58 · 5 answers · asked by Girl 3 in Astronomy & Space

If my eyes see everthing upsidedown
and my brain turns it all rightsideup
what keeps me from falling off the earth?

2007-07-11 09:06:45 · 9 answers · asked by workinman 3 in Physics

2007-07-11 09:03:30 · 2 answers · asked by cynthia b 1 in Mathematics

what i mean is all the diagrams of our solar system shows the planets somewhat inline/left and right,why not up and down or all around? if our world is made up of atoms,and the diagrams of an atom shows the particals incircling the nuetron from all around, why not our planets?

2007-07-11 09:03:28 · 14 answers · asked by vicangel1 1 in Astronomy & Space

Many people think it was the XFJ-1 in 1952, but it was not.

2007-07-11 09:03:14 · 9 answers · asked by ranimal100 2 in Physics

2007-07-11 09:02:47 · 6 answers · asked by Alexander 6 in Physics

or do you have a chart that would tell this kind of information? thanks

2007-07-11 09:01:08 · 2 answers · asked by MotherKittyKat 7 in Biology

Global warming is true after all =)

http://www.funnypostcard.com/html/Global-Warming.html

2007-07-11 09:00:28 · 2 answers · asked by A 2 in Earth Sciences & Geology

x^2 + y^2-2x+4y-4=0


and I'm supposed to find the center and radius of each circle

this qustion is about a circle?

should I add/subtract the like terms

what would x^2-2x be then and so on???????????? **********

2007-07-11 08:58:01 · 3 answers · asked by Anonymous in Mathematics

A recent story in my city about leaking current in our light rail system got me intrigued. It baffles me how electricity could possibly weaken or corrode metal. As may be obvious I am no expert in the topic so please be kind. Thanks a million.

2007-07-11 08:53:12 · 4 answers · asked by justntime2c 3 in Engineering

2007-07-11 08:52:50 · 16 answers · asked by Arrive Raise Hell Leave 1 in Astronomy & Space

Give a specific function for F(x).
F(x) = ______________ + C.

2007-07-11 08:50:17 · 5 answers · asked by goodguy083 1 in Mathematics