Science & Mathematics - 30 October 2007

Modern dams are made up of conceit and it must be dried out to build the dam. I wanted to know that how it is achieved?

2007-10-30 03:26:24 · 4 answers · asked by Swapnil P 2 in Engineering

2007-10-30 03:25:53 · 5 answers · asked by MAK 6 in Weather

2007-10-30 03:25:18 · 3 answers · asked by smooches 1 in Mathematics

2007-10-30 03:21:42 · 12 answers · asked by Anonymous in Physics

what concetration in ppm do i have if i dilitued 10 , 17 , 24, 31, 45, 52 and 62 mls of this solution to 100mls in a volumetric flasks ?

2007-10-30 03:18:30 · 1 answers · asked by dooralarm 2 in Mathematics

I'm a natural redhead.

2007-10-30 03:16:16 · 8 answers · asked by Tracy Terry 1 in Astronomy & Space

2007-10-30 03:06:23 · 3 answers · asked by nathan d 1 in Earth Sciences & Geology

Is it true that if we could travel the speed of light and went on a voyage in space that took a couple of weeks when we arrived back on earth years would have passed?

2007-10-30 03:06:23 · 4 answers · asked by Anonymous in Astronomy & Space

IS it crazy that I am obsessing over this? Do you think it is strange that I am scared to have children believing that if Notadamus is correct the world will end in 2012. Thats in 4 years. I cant eat or sleep. And not only is it a prediction by him, but Mayan Calenders stop on the same date. Is anyone else believe this and if not Please tell me why you believe different, I would really like some hope.
I just dont believe that if god is really the god of love, he would destroy the earth he created..I guess if you dont believe in god though, you would believe that it is possible. But this isnt about religion.

2007-10-30 03:03:40 · 9 answers · asked by Anonymous in Other - Science

2007-10-30 03:00:36 · 7 answers · asked by gaviscon 4 in Astronomy & Space

5x+16-x=-68

Tell whether the giving value of the variable is a solution of the equation.

2007-10-30 02:59:10 · 2 answers · asked by Sunnymorning 2 in Mathematics

(a) AgNO3 + AlCl3 →

(b) Cu(NO3)2 + Na2CO3 →

(c) HgCl2 + KOH →

(d) CO(NO3) 2 + KOH →





I'm stuck on these. Can someone please help. It is much appreciated!!! Thanks!!!

2007-10-30 02:54:21 · 1 answers · asked by PaNaSoNiCeDgE 1 in Chemistry

2007-10-30 02:51:48 · 1 answers · asked by Anonymous in Mathematics

If a piece of real estate purchased for $75,000 in 1998 appreciates at the rate of 6% per year, then its?
value t years after the purchase will be f(t)=75,000(1.06^t). According to this model, by how much will the value of this piece of property increase between the years 2005 and 2008?
a.$14,300
b.$21,500
c.$37,800
d.$59,300

2007-10-30 02:50:28 · 5 answers · asked by austin 1 in Mathematics

2007-10-30 02:48:18 · 4 answers · asked by nathan d 1 in Astronomy & Space

what are the effects of deforestation?

2007-10-30 02:39:19 · 6 answers · asked by Anonymous in Earth Sciences & Geology

Why is it that when one is on metformin, you can't drink alcohol? And how will it affect you in the long run?

2007-10-30 02:38:33 · 1 answers · asked by Dr. D 2 in Medicine

2007-10-30 02:36:30 · 8 answers · asked by sowaad3997 2 in Zoology

2007-10-30 02:35:46 · 7 answers · asked by Anonymous in Physics

2007-10-30 02:35:10 · 4 answers · asked by janelle 1 in Mathematics

2007-10-30 02:34:17 · 12 answers · asked by G.xi 1 in Astronomy & Space

2007-10-30 02:31:13 · 6 answers · asked by Shiva S 1 in Physics

2007-10-30 02:26:32 · 33 answers · asked by Anonymous in Geography

I have no clue how to do this. Please help. Thank you!

2007-10-30 02:10:19 · 3 answers · asked by Anonymous in Mathematics

What is the difference between it and active filter networks?
Can you explain more about 5th order butterworth?
Give me more examples about passive filter networks with brief explanation...
I will appreciate if u give me useful references...

2007-10-30 02:04:44 · 3 answers · asked by David Junior 3 in Engineering

2007-10-30 02:01:00 · 5 answers · asked by Tony Y 2 in Physics

2007-10-30 01:59:03 · 1 answers · asked by Chidima V 1 in Earth Sciences & Geology

2007-10-30 01:56:04 · 4 answers · asked by 80's Baby 1 in Medicine

Wire is often delivered wrapped on a large cylindrical spool. Suppose such a spool is supported by resting on a horizontal metal rod that is pushed through a hole that runs through the center of the spool. A worker is pulling some wire off the spool by exerting a force on it something like is shown in the diagram at the right. (If you have ever bought wire in a hardware store, this is the way they usually store and dispense it.)

Suppose the spool rotates on the rod essentially without friction. The spool is approximately a uniform cylinder with a mass of 50 kg and a radius of 30 cm. The worker pulls on the wire for 2 seconds with a force of 30 N. At the end of the 2 seconds he immediately clamps on a brake which very quickly stops the spool's rotation. Just before he put the brake on, how fast was the spool rotating? How much wire did he pull off the spool?

2007-10-30 01:55:47 · 2 answers · asked by Anonymous in Physics

2007-10-30 01:54:12 · 11 answers · asked by Y!A-FOOL 5 in Astronomy & Space