Science & Mathematics - 20 November 2006

A Farside cartoon some years ago depicted people lying unconscious in their yard as a UFO sped away into the sky. The aliens had tagged the humans like we tag animals. The funny thing was that they used huge innertube-like devices with antennae as tags, and placed them around the humans' necks.

2006-11-20 10:20:54 · 10 answers · asked by In Honor of Moja 4 in Astronomy & Space

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help!!!!!!!!!?

megnetite and hematite are compunds made up of the same elemnts but their properties are not.Why?

2006-11-20 10:17:59 · 2 answers · asked by sana_ahmad75 1 in Chemistry

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Factorise the following...?

3x^2 - 18x -27y^2 + 27

2006-11-20 10:15:33 · 4 answers · asked by h0m3r.simps0n 2 in Mathematics

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Physics question related to energy?

A car is coasting down a hill, gaining energy as it goes. As they near a stop sign, the driver begins lightly pressing on the brakes. Where does the energy they gained from coasting down the hill go?

2006-11-20 10:15:17 · 6 answers · asked by BadRomance 2 in Physics

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Critical Thinking?

The vitamin niacin is an essential component of NAD+. Niacin can be consumed in food or manufactured in the body from tryptophan, an amino acid. How would a person's ability to break down glucose through glycolysis be affected if the person's diet were deficient in both niacin and tryptophan? Explain your anwser!

2006-11-20 10:14:33 · 2 answers · asked by PauL M 1 in Biology

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On which day of the year is there exactly 12 hours of daylight and 12 hours of nighttime?

2006-11-20 10:13:49 · 7 answers · asked by dynamiccharge 2 in Other - Science

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what and where is the "ring of fire"?

where is it and what is it

2006-11-20 10:13:48 · 10 answers · asked by Johnny m 1 in Chemistry

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Is there any food I should avoid while taking penicillin?

2006-11-20 10:12:23 · 8 answers · asked by nashvillekat 6 in Medicine

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we breath oxygen,nitrogen,and carbon dioxide. give their chemical formulas and why they take up a lot of space

2006-11-20 10:11:12 · 1 answers · asked by kavita s 1 in Physics

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How do you solve this limit question?

limit x^(-5)lnx
as x approaches + infinity

2006-11-20 10:09:29 · 2 answers · asked by Lionheart12 5 in Mathematics

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What is the difference between f(x) and y?

2006-11-20 10:09:13 · 6 answers · asked by merviedz trespassers 3 in Mathematics

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Can matter move faster than the speed of light outside the event horizon of a black hole?

If so, could matter moving faster than the speed of light enter the event horizon and exit in an arch and never enter the same black hole again?

2006-11-20 10:07:27 · 5 answers · asked by merviedz trespassers 3 in Physics

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I've always been curious.?

Why does my glass of ice water sweat? Does it have to do with water vapor in the air? It has always been something that has been interesting to me...
Be as specific as possible, I am good at understanding scientific concepts.

2006-11-20 10:07:20 · 4 answers · asked by toothfairy 3 in Chemistry

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How do you solve this implicit differentation problem?

18 = e^y + xy^2

2006-11-20 10:04:37 · 5 answers · asked by Lionheart12 5 in Mathematics

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if there is 20 heads and 64 legs how many 4 legged and 2 legged animals are there?

2006-11-20 10:02:21 · 7 answers · asked by Anonymous in Zoology

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Is the universe and ordered or chaotic one? why?

2006-11-20 10:02:13 · 3 answers · asked by tigersfan48111 2 in Physics

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space is a vacume ,could a tube from space suck up all our air?

it seems strange that the vacume of space dosnt just suck out all the air,
this arose due to an answer to my previose question ,putting into my mind the thought we could use the vacume of space to transport stuff into space
ie vacume space travel ,like a big vacume cleaner tube that sucks up into the vacume of space ,but even if it could suck up objects it first would suck up our atmosphere ,yet why isnt it doing it allready ,vacume thus cant be that strong in space ,air aint that hard to suck ,figure that god stops the sucker if you get what im asking?

2006-11-20 09:59:16 · 8 answers · asked by Anonymous in Astronomy & Space

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Entropy question?

A student eats 2000 kcal per day. (a) Assuming that all of the food energy is released as heat, what is the rate of heat released (in watts)? (b) What is the rate of change of entropy of the surroundings if all of the heat is released into air at room temperature (20 C)?

2006-11-20 09:59:02 · 2 answers · asked by Wes 2 in Physics

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If you move from one place to another in the fifth dimension, have you teleported yourself or time travelled?

2006-11-20 09:58:49 · 1 answers · asked by merviedz trespassers 3 in Physics

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what are moons made out of?

2006-11-20 09:58:22 · 4 answers · asked by palee96 1 in Astronomy & Space

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What does the equation E=mc^2 mean?

2006-11-20 09:55:55 · 5 answers · asked by lostprophetslove 1 in Physics

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What is the rarest blood group?

Just wondered as I am rheus negative B, and used to give blood and my partner is rh neg A and has never given blood. Whos blood is there a greater demand for?

2006-11-20 09:55:34 · 16 answers · asked by Anonymous in Medicine

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Please help with a related rates baseball problem?

A baseball diamond is a square 90 ft on a side. Chris is runnig from second base to third base at 20 ft/s. Sam is running from third base to home plate at 15 ft/s. When chris is 30ft from third base and Sam is 40 ft from third base, is the distance between them increasing or decreasing? At what rate?

2006-11-20 09:55:06 · 6 answers · asked by irgrey12 1 in Mathematics

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Find the expected value of X. (PLEASE HELP, I DON'T GET THIS CRAP)?

Two fair dice are tossed. The random variable X is defined to be 10 if the numbers showing are different, and 100 if the numbers showing are the same.

2006-11-20 09:54:29 · 8 answers · asked by girlsidra 1 in Mathematics