Science & Mathematics - 14 December 2006

How do you solve the sequence 1,2,3,4...n

2006-12-14 10:33:31 · 6 answers · asked by Anonymous in Mathematics

Atoms share electrons in a(an) ionic bond.

2006-12-14 10:31:58 · 3 answers · asked by rabiamoghul 1 in Chemistry

Say you have a syringe.. and it is filled with air molecules, and you cover the end with your thumb. You can push a little ways in before you cant push any more. Why can you push when its air and you cant push when its filled with water?

2006-12-14 10:30:43 · 6 answers · asked by daisy_may_love 1 in Chemistry

log (x+9) - log x=1

2006-12-14 10:30:37 · 6 answers · asked by Anonymous in Mathematics

I've never taken a chem class before so I want be able to understand the joke!

http://www.thinkgeek.com/tshirts/science/7d73/

2006-12-14 10:30:34 · 8 answers · asked by D 4 in Chemistry

2006-12-14 10:30:09 · 18 answers · asked by SEVEN 1 in Mathematics

2006-12-14 10:29:54 · 2 answers · asked by anfguitar 1 in Engineering

I require an informational site that archives weather conditions by date and location for up to five years. In other words I need to know what the weather was like in a certain town or county on a specific date, as though it were today's forecast. Thanks for your efforts.

2006-12-14 10:28:41 · 1 answers · asked by Liligirl 6 in Weather

2 questions:
1.why does yor hand feel cool when the rubbing alcohol evaporated?
2. Why do humans sweat?

2006-12-14 10:28:31 · 1 answers · asked by globalpinaygirl 2 in Physics

How does water move in plants?

2006-12-14 10:27:21 · 6 answers · asked by Anonymous in Botany

science

2006-12-14 10:27:12 · 4 answers · asked by Noé M 1 in Earth Sciences & Geology

Anyone Know how to do these using identities?
tan255degrees
sin2(22.5)
Verify this Identity
tan^2xsin^2x=tan^2x-sin^2x

2006-12-14 10:25:34 · 3 answers · asked by Anonymous in Mathematics

2006-12-14 10:25:12 · 3 answers · asked by ampmxxvii 1 in Mathematics

I need some facts about it [maybe a link or two]

Not facts about tourists atractions but about the History about it!

2006-12-14 10:24:39 · 5 answers · asked by [blahh] ™ 5 in Earth Sciences & Geology

2006-12-14 10:24:15 · 8 answers · asked by Albert M 1 in Mathematics

When you pop a balloon filled with air it bursts but when you pop a balloon filled with water it does not burst, Why?

2006-12-14 10:23:10 · 7 answers · asked by crispelover 1 in Physics

A man is gambling is and each bet costs .25. He must pull tickets from a box with 312 tickets. 211 tickets are labeled 0. 1 ticket is labeled .25. 100 tickets are labeled .50. He earns the amoutn written on the ticket for each bet. Say he bets 100 times. What is his expected net gain? What is the standard deviation for the box? What is the standard error for his net gain?

2006-12-14 10:22:36 · 2 answers · asked by Kat 1 in Mathematics

2006-12-14 10:22:01 · 13 answers · asked by Cindy 1 in Physics

A 5.8 kg bucket of water is raised from a well
by a rope.
The acceleration of gravity is 9.81 m/s2 :
If the upward acceleration of the bucket is
4.5 m/s^2, find the force exerted by the rope
on the bucket of water. Answer in units of N.

2006-12-14 10:20:54 · 1 answers · asked by TheThing 2 in Physics

for any base a, loga 1 =

2006-12-14 10:20:36 · 5 answers · asked by Anonymous in Mathematics

sqrt. of 5(x+3)=10

5sqrt of x-3=10

2006-12-14 10:20:27 · 2 answers · asked by Anny07 2 in Mathematics

the number lower than 0 degrees celcius

2006-12-14 10:18:23 · 10 answers · asked by Anonymous in Mathematics

(EMP) Electromagnetic Pulse

Not from radiation or nuclear produced EMP!

2006-12-14 10:17:39 · 3 answers · asked by red_poco2000 2 in Physics

and. what would our life be like without zero.

2006-12-14 10:16:57 · 4 answers · asked by Anonymous in Mathematics

I have all of the normal dominant and recessive things that are fairly interesting...PTC tasting, tongue rolling, 1st or second toe longer, hitchhikers thumb, hand crossing. i know there's like, widows peak and stuff but those are boring. what are some easily observed (or semi-easily observed) dominant and recessive traits

2006-12-14 10:15:39 · 5 answers · asked by Anonymous in Biology

take the whole world as it is tday, take away all the people in the world ,you have wild life ,nature and industry left, now take away nature, you are left with wildlife and industry, now take away wildlife. Now you are left with land and no life!! Take away all the sea's and all the land, your left with the world. Take away the world and you are left with the universe. Take away all the stars planets and galaxies in the universe and you are left with space, My question is... Take away the space and what are you left with?? Is there anyone else who has ever thought of this?

2006-12-14 10:12:42 · 22 answers · asked by Anonymous in Astronomy & Space

I mean a commercial steam turbine used to make
electricity. Can you name manufacturer, size and apr. cost.

2006-12-14 10:12:17 · 1 answers · asked by George 2 in Engineering

this is urgent

2006-12-14 10:11:43 · 6 answers · asked by Anonymous in Chemistry

2006-12-14 10:11:34 · 5 answers · asked by schenzy 3 in Physics

2006-12-14 10:09:56 · 3 answers · asked by reaful 2 in Physics