Science & Mathematics - 7 November 2007

As a simple pendulum swings back and forth, the forces acting on the suspended object are the force of gravity, the tension in the supporting cord, and air resistance.

2007-11-07 13:17:50 · 2 answers · asked by ? 1 in Physics

Let p represent any positive number. Being as specific as possible, describe the type
of triangle with vertices at (0,0), (p, 0), and (0, p).

2007-11-07 13:17:39 · 3 answers · asked by Anonymous in Mathematics

Does it float? Or sink...
OR GET EATEN?...

















WHAT THE HELL HAPPENS!?!??!?!?!!!!

2007-11-07 13:15:58 · 12 answers · asked by Anonymous in Zoology

Please explain.

2007-11-07 13:14:48 · 2 answers · asked by Bobby S 3 in Mathematics

...just for awhile, for a prescheduled time: to convince the skeptics, you know....maybe repeated once in a while, maybe not....

2007-11-07 13:11:48 · 9 answers · asked by morkmath 2 in Astronomy & Space

P{lease show me one website

2007-11-07 13:11:41 · 2 answers · asked by Anonymous in Earth Sciences & Geology

2007-11-07 13:11:10 · 1 answers · asked by MIXAHL A 1 in Physics

2007-11-07 13:11:01 · 3 answers · asked by Anonymous in Biology

explain your answer

2007-11-07 13:10:40 · 5 answers · asked by Anonymous in Astronomy & Space

There are other suns, right?

2007-11-07 13:10:13 · 5 answers · asked by Anonymous in Astronomy & Space

2007-11-07 13:08:44 · 10 answers · asked by Anonymous in Physics

find dy:

xy^2 - 4x^(3/2) - y = 0

2007-11-07 13:08:37 · 1 answers · asked by Anonymous in Mathematics

can anyone answer that? I know someone posted 5 of them already but I wasn't sure if that was all of them so if anyone knows how to do this and could post EVERY isomer of C4H8, that would be great

2007-11-07 13:06:57 · 2 answers · asked by MD12 2 in Chemistry

2007-11-07 13:05:36 · 2 answers · asked by Your mom 1 in Mathematics

this has to do with direct products


list a group of order 81 with the property hat every element except the identity has order 3

don' even know where to start

2007-11-07 13:05:34 · 2 answers · asked by mlbabe03 2 in Mathematics

I'm not sure how to go about doing this. You don't have to answer it, but explain how I can do it.. somehow.. Thanks!!

A graph has the following key features:

Decreasing for x > 0
y-intercept of 1
No x-intercept
A horizontal asymptote of y = 0
Domain: {x|xER}
Range:{y|y > 0, yER}
(1, 0.5) is a point of the graph

A possible function with these key features is....

2007-11-07 13:04:37 · 1 answers · asked by ms_lotr_freak 3 in Mathematics

steps please...

2007-11-07 13:03:44 · 1 answers · asked by MusicLuvr 5 in Mathematics

The next 2 answers would obviously be 6^7 and 7^8, but, I want to be able to work that out with a formula.
I can not figure out which formula to use with this question. Is there anyway to easily determine if it is arithmetic or geometric?
I am able to do these, however this one has me stumped as it uses - to the power -.
Any help would be greatly appreciated

2007-11-07 13:03:40 · 2 answers · asked by Crystaline 3 in Mathematics

describe a method that you could use to obtain MgSO4 from MgSO4*7H2O

* means times like multiply!

2007-11-07 13:03:04 · 2 answers · asked by manny 1 in Chemistry

2007-11-07 13:02:46 · 1 answers · asked by gigi90232 2 in Chemistry

2007-11-07 13:01:11 · 12 answers · asked by Brandon R 2 in Zoology

cos (theta) + 6 sec (theta) = - 7

2007-11-07 12:57:40 · 1 answers · asked by jigsawtaz 1 in Mathematics

2007-11-07 12:57:01 · 6 answers · asked by Alla Z 1 in Weather

First have wormsholes been proven impossible?

1)If we can use wormsholes for space exploration what will be needed to create one?

2)How much engery would be needed to create wormhole and keep it open?

3) How would we pass through it? Would we be torn into atoms?

4) Do we need a device at the other end of the wormhole to create a stable connection or do we just go around opening holes in space?

5) I'm not sure if wormholes punch holes in space and you magically appear at one end or bend space to two points for which travel can be made? Can someone please clarify this?

6) If wormholes bend space would not the matter between the space that was bend be destoryed?

Thanks for answering.

2007-11-07 12:56:40 · 3 answers · asked by jack 6 in Physics

Someone was walking and they felt a vibration. A few seconds later they hear a loud explosion. What is the reason for this?

2007-11-07 12:51:47 · 1 answers · asked by jenn 4 in Physics

I need to pump 40 cfs or 17953 gpm of water from a stream to a reservoir and I am not sure how to size the pipe, the only manual I have is a rainbird irrigation catalog and it does not come anywhere near covering the volume that I need, could someone please link me to a site or give me an equation. The only thing I could come up with online had to do with steam calcs

thank you

2007-11-07 12:50:33 · 5 answers · asked by ninja cat 4 in Engineering

2007-11-07 12:48:32 · 8 answers · asked by Rangefinder 4 in Astronomy & Space

A)CoSO4
B)Mn(NO3)2
E)CoSO4 *7H20

2007-11-07 12:47:15 · 3 answers · asked by manny 1 in Chemistry

im writing a story and i need to know a street in italy it dont matter what street just any street

2007-11-07 12:46:57 · 5 answers · asked by Anonymous in Geography

people who are severely burned often die from infection. given what you know about disease transmission, explain why this is common?

2007-11-07 12:46:27 · 1 answers · asked by Anonymous in Biology