Science & Mathematics - 22 September 2007

its for my homework i need to describe the properties and a typical application of a liquid electricl insulator

Plz help !!!!!!

2007-09-22 09:06:45 · 6 answers · asked by Anonymous in Physics

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2007-09-22 09:05:58 · 2 answers · asked by Fahad S 1 in Engineering

2007-09-22 09:04:10 · 14 answers · asked by Anonymous in Mathematics

A machinist is required to manufacture a circular metal disk with area 1700 cm2.

(a) What radius produces such a disk?
I found the answer to be 23.26 cm.

(b) If the machinist is allowed an error tolerance of ±6 cm2 in the area of the disk, how close to the ideal radius in part (a) must the machinist control the radius?

what's the answer to b? thanks so much!

2007-09-22 09:04:05 · 1 answers · asked by ILuvTaraReid 2 in Mathematics

Classify steel and explain your reason... thanks...

2007-09-22 09:03:12 · 4 answers · asked by Juan C 6 in Chemistry

2007-09-22 09:02:31 · 7 answers · asked by Mercury 2010 7 in Astronomy & Space

I keep trying to think of ways to answer this question but it just isn't working. Can anyone help me out or give me some hints or ideas?

We usually treat a frame of reference attached to the earth as an inertial frame. This is in fact not true. Describe an experiment you could do, using material one is likely to find in the store rooms under the Physics Lecture Hall (i.e., what might be used for classroom demonstrations), which would show that the Physics Lecture Hall itself is NOT an inertial frame.

thanks for your help!

2007-09-22 09:00:41 · 3 answers · asked by Dan O 1 in Physics

and also live on land, because other amphibians have to come up for air regularly?

2007-09-22 08:59:45 · 1 answers · asked by Anonymous in Biology

mine would have to be woodchester mansion gloucestershire (i think)

2007-09-22 08:55:28 · 9 answers · asked by Anonymous in Paranormal Phenomena

and E are taken in consecutive order, then:
(AB)^2 +( BC)^2 + (CD)^2 + (DE)^2 + (AB)(BC)(CD) +
+ (BC)(CD)(DE) < 4

2007-09-22 08:53:13 · 2 answers · asked by m_math 1 in Mathematics

An athlete executing a long jump leaves the ground at a 35° angle and travels 6.80 m.

takeoff speed is 8.31 m/s.

If this speed were increased by just 6.0%, how much longer would the jump be?

2007-09-22 08:51:27 · 2 answers · asked by oxblackout12 1 in Physics

Is this a 2-way trip?....The way there and back....? Back to what?....What is the origin of light, and what does it return to?
When light, or any radiation, gets emitted, it ultimately gets absorbed. Could the return trip be that absorption trip....?
Is this the process that keeps space-time a Constant?

2007-09-22 08:49:52 · 6 answers · asked by starling 3 in Physics

2007-09-22 08:48:35 · 2 answers · asked by XxDarkxBubblegumxX 1 in Astronomy & Space

how do you find area? also solve this Q if you can. a rectangular courtyard has a length of 21 ft. and an area of 294 sq. ft. what is the perimeter of the court yard?

2007-09-22 08:45:54 · 4 answers · asked by Anonymous in Mathematics

Elemental ananalysis of a compound results in the following data

41.39 % C
3.47 % H
55.14 % O

What is the empircal formula of this compound ?

2007-09-22 08:40:56 · 4 answers · asked by mike m 1 in Chemistry

3 men stay in a hotel and the cost is £10 per night - total £30.

they settle the bill the next day paying £10 each again total £30. they leave the hotel and the owner likes the men so he gives the porter £5 and tells him to run after the men and give them the £5. the porter is slightly dishonest and keeps £2 for himself and gives each man £1 back.

now the men have paid £9 (£27) and the porter has £2 so the total is now £29 - where is the other £1.

2007-09-22 08:38:53 · 9 answers · asked by bbb321 2 in Mathematics

We have catalytic converters on cars, factories are monitored for pollution. I have been to Mexico City, Manila, Bangkok, Beijing, and Tokyo. The air is so polluted you have to wear a handkerchief over your face. Why is it they are never criticized for their pollution? They spew it into the air and water systems.

2007-09-22 08:38:15 · 11 answers · asked by mysterian 4 in Earth Sciences & Geology

2007-09-22 08:36:45 · 7 answers · asked by frutigurl 2 in Astronomy & Space

I am doing my undergraduate right now, but I am not sure where I want to major in mechanical engineering or biology/chemistry and go into medical school.
Any advice?

2007-09-22 08:34:59 · 9 answers · asked by Anonymous in Engineering

2007-09-22 08:31:00 · 8 answers · asked by Anonymous in Geography

And what would happen if you then dropped boiling mercury into liquid nitrogen ?

2007-09-22 08:29:29 · 6 answers · asked by Cyclops 5 in Chemistry

12
------
√7+2

odysey ware says my answers 1√94 is partially right
where did i go wrong


3√6 +5√2
--------------
4√6 -3√2

2007-09-22 08:29:14 · 2 answers · asked by percy m 1 in Mathematics

I need some seriou help
How do I factor this completely

2007-09-22 08:27:32 · 3 answers · asked by harry p 1 in Mathematics

2007-09-22 08:24:26 · 11 answers · asked by Anonymous in Geography

2007-09-22 08:21:14 · 3 answers · asked by Anonymous in Chemistry

Can anyone explain whether this is a possible scenario or not and why?

thanks!

2007-09-22 08:20:51 · 5 answers · asked by sungirl 2 in Physics

PLEASE HELP ME!!!!!!!!!!!!!

2007-09-22 08:19:24 · 4 answers · asked by adan b 1 in Mathematics

2007-09-22 08:19:18 · 9 answers · asked by briceboo@verizon.net 1 in Other - Science

2007-09-22 08:16:52 · 3 answers · asked by Ridicolous 1 in Chemistry

If you could drill a hole through the centre of the earth and out to the other side, Then drop a stone into the hole (Taking out all obstacles even the heat) what would happen to the stone. Facts only please, I've pondered this for years.

2007-09-22 08:13:18 · 19 answers · asked by susan j 1 in Earth Sciences & Geology