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Science & Mathematics - 26 November 2007

[Selected]: All categories Science & Mathematics

Agriculture · Alternative · Astronomy & Space · Biology · Botany · Chemistry · Earth Sciences & Geology · Engineering · Geography · Mathematics · Medicine · Other - Science · Physics · Weather · Zoology

Thanks!

2007-11-26 13:54:20 · 3 answers · asked by Anonymous in Mathematics

PLEASE be specific or give me a link thank you!

2007-11-26 13:53:37 · 6 answers · asked by Keep your head high. :) 5 in Biology

Can you describe the manufacturing processes of plastic bag?
thank you very much!

2007-11-26 13:50:47 · 2 answers · asked by katon_cheng 1 in Chemistry

The empire's space station is a long way from any star. It is circular and has a radius of 5 km. Calculate the angular velocity that is needed to give the station an artificial gravity of 9.80 m/s^2 at its circumference. If the space station is initially stationary and it is accelerated at rate of 8x10^-5 rad/s^2 , then how long does it take for the space station to reach this angular velocity? What angular displacement does it rotate through during this time?

2007-11-26 13:44:39 · 1 answers · asked by korr 2 in Physics

1. a landform that has a high elevation but a mostly flat surface is a.

a. coastal
b. mountain
c. mountain belt
d. plateau

2. The thin, outer layer of the lithosphere that forms Earth surface is the

a. outer core
b. inner core
c. crust
d. mantle

3. Latitude is a measure of distance north or south of the
a. hemisphere
b. equator
c. axis
d. prime meridian

4. To show the continets without distorting their relative sized and sharpes, a mapmaker would choose a
a. Mercator projection
b. globe
c. equal-area projection
d. topographic

5. On a topographic map, the contour lines from a V at a
a. hilltop
b. level area
c. depression
d. valley

2007-11-26 13:44:20 · 2 answers · asked by love_moon_bb 2 in Earth Sciences & Geology

its for a science experiment, i have to put the carbon dioxide in an aquarium and test it on plants. but i dont know how to put the CO2 in it... i guess i could breathe into it, but it would be hard work (lol). i'd use dry ice, but it would freeze the plants before i could test them... HELP!!!

2007-11-26 13:44:01 · 4 answers · asked by fsh 3 in Chemistry

orthogonal to AB, So the distance from P = (2,4,−4) to the line through the points A = (−1,−1,−4) and B = (0,−3,−5) is

2007-11-26 13:43:38 · 1 answers · asked by tchoxi2000 1 in Engineering

i need to know cause i dont know how and can you show work please

2007-11-26 13:42:23 · 5 answers · asked by cheechee 2 in Mathematics

how can i determine the number of joules and calories a nut can contain for each gram of mass

2007-11-26 13:37:51 · 3 answers · asked by Anonymous in Chemistry

yes or no, and why

2007-11-26 13:37:44 · 8 answers · asked by *ash* 3 in Weather

a 0.50kg steel ball travelling at 20m/s strikes very large block and rebounds the same speed. the ball and block deform during the impact allowing the ball's center of mass to move only one tenth milimeter.
A) what is the acceleration of ball during the impact?
if you know this problem, please do it.
thank you

2007-11-26 13:37:37 · 2 answers · asked by alkesh831 2 in Physics

What is the coldest possible temperature fire can be at? And what is the coldest recorded? I know there are definately some fires hotter than others, but what is the coldest fire known to man and what is it made from?

2007-11-26 13:35:19 · 2 answers · asked by kk_jediknight 3 in Earth Sciences & Geology

difficulty determining the shape of the galaxy?

2007-11-26 13:34:32 · 3 answers · asked by Anonymous in Astronomy & Space

Thanks

2007-11-26 13:34:09 · 4 answers · asked by Anonymous in Mathematics

Thanks

2007-11-26 13:33:40 · 2 answers · asked by Anonymous in Mathematics

Why is radon so bad for you?

2007-11-26 13:31:16 · 7 answers · asked by Rando B 2 in Chemistry

2007-11-26 13:31:03 · 3 answers · asked by peaceout34453 1 in Mathematics

1-sin^2x
(over)
sin^2x

Thanks a lot!

Also, does anyone know the Arccos of sqrt{3}/2

2007-11-26 13:28:30 · 4 answers · asked by cgarletts 1 in Mathematics

What volume (mL) of 0.420 M potassium hydroxide solution would just neutralize 49.0 ml of 0.291 M H2SO4 solution?

2007-11-26 13:28:20 · 1 answers · asked by starrynight4592 1 in Chemistry

I'm not sure if this has an answer, but here goes. If it's a clear night, no or little light pollution, which is the furthest star or object that a person can see without a telescope, just with the eyes alone?

2007-11-26 13:28:08 · 5 answers · asked by Anonymous in Astronomy & Space

Thanks!

2007-11-26 13:24:22 · 4 answers · asked by Sarah C 1 in Mathematics

Thanks!

2007-11-26 13:23:09 · 2 answers · asked by Sarah C 1 in Mathematics

help me out haha !!

2007-11-26 13:23:02 · 3 answers · asked by Michael O 1 in Mathematics

use using elimination method..thank you..God bless..God loves YOU!

2007-11-26 13:20:24 · 5 answers · asked by Anonymous in Mathematics

If I add a small piece of liver in a tube of 3 types of pH, what are the products of my reaction?
more specifically, what type of gas is it giving off?

2007-11-26 13:20:03 · 4 answers · asked by exxohh<3 1 in Chemistry

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