Science & Mathematics - 2 February 2007

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Why doesn't Oil removal make the earth fall in?

Oil is sucked out of a small hole, so doesn't the earth around it, where the oil that was once below it, fall in?

2007-02-02 16:57:03 · 5 answers · asked by fatla00 2 in Earth Sciences & Geology

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when you kick a ball are you doing any work on the ball while your toe is in contact with it?

2007-02-02 16:55:40 · 3 answers · asked by jonah 1 in Physics

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Math and Physics.?

I am a fan physics, and I want to learn and read books about it. My question is, is calculus a must, and if so, what kind of math should I learn in order to reach calculus?

2007-02-02 16:55:05 · 4 answers · asked by Anonymous in Mathematics

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How many pounds is 1000gm( 1Kg, that is 2.2 Lbs) ?

2007-02-02 16:52:47 · 4 answers · asked by Anonymous in Mathematics

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gasoline and pure oxygen for cars?

why don't we use tanks of gasoline and a separate machine capable of isolating pure oxygen to create high powered combustion in chambers to power a traditional style internal combustion engine (obviously modified to handle the greater pressure)?

2007-02-02 16:49:59 · 3 answers · asked by K9 Guy 2 in Chemistry

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Why is the addition/subtraction of vectors important?

2007-02-02 16:49:07 · 4 answers · asked by 11 2 in Physics

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if a meteor(not a small one) hit the earth ,can it change the speed and timeof rotation?

with sufficient explanations and data...........................

2007-02-02 16:45:00 · 7 answers · asked by sandy 1 in Physics

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I am applying for a engineer post. What is the Best way to describe myself?

2007-02-02 16:44:01 · 1 answers · asked by pearz76 2 in Engineering

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3/(x+1)^-7?

do you move (x+1)^-7 to the top then mutiply out ??

2007-02-02 16:43:43 · 4 answers · asked by Anonymous in Mathematics

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Why does the sun rise in the east if Earth rotates counter-clockwise?

Earth does rotate counter-clockwise because it is morning in New York before it is morning in California

2007-02-02 16:43:18 · 6 answers · asked by Marcus L 2 in Astronomy & Space

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-9y^5/1/3y^6?

is the correct answer y/27

2007-02-02 16:39:56 · 3 answers · asked by Anonymous in Mathematics

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best way to remove baby seal blubber from baseball bats?

2007-02-02 16:39:55 · 7 answers · asked by Anonymous in Zoology

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In one day there is 24 hours in one years there is 365 days how long dose Earth complete circle to Sun?

2007-02-02 16:36:21 · 19 answers · asked by james l 2 in Astronomy & Space

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(x^4)^-4......................?

is the answer 1/x^16??

2007-02-02 16:33:48 · 2 answers · asked by Anonymous in Mathematics

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did you know how many kinds of creature in the earth?

2007-02-02 16:32:05 · 1 answers · asked by joelskie 1 in Earth Sciences & Geology

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What are Hectapascles?

Argh this is driving me insain lol, i cant find the meaning of it anywhere!! What does it mean, what is it?

2007-02-02 16:31:32 · 2 answers · asked by Christie M 1 in Weather

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What is the future possibility of creating an engine that can split molecules and then bond them again?

To create energy? For example, a FCV needs hydrogen tanks. Can we make a machine that can pull the hydrogen from water and store hydrogen that way? Would the energy made from the FCV engine be greater than the energy required to pull the hydrogen from the water?

2007-02-02 16:28:48 · 6 answers · asked by K9 Guy 2 in Chemistry

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Calculus Optimization help?

An isosceles triangle has a perimeter of 6 cm. What is the maximum possible area of such a triangle?

2007-02-02 16:27:51 · 5 answers · asked by PM 2 in Mathematics

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Probability question?

What's the probability of rolling a die 3 times and getting a 6 every time? What's the probability of rolling a 3 on the forth roll?

2007-02-02 16:23:14 · 5 answers · asked by stephenjwalk 2 in Mathematics

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Can you help me?

Please help me answer these math problems by using the FOIL
Please!

(x+2y) (2x+3y)

(6x-y) (3x-2y)

(4x+y) (3x-4y)

(5a+3b) (4a-b)

2007-02-02 16:18:03 · 6 answers · asked by baby_princess_melissa 2 in Mathematics

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As we go higher and higher altitude , why the temparature decreases?

2007-02-02 16:18:02 · 7 answers · asked by amudalaprathap 1 in Earth Sciences & Geology

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Can a shuttle can enter jupiter surface and know about the surface chemistry?

In jupiter the wind speed is about 500KM/sec and a pressure is high........

2007-02-02 16:13:57 · 8 answers · asked by sandy 1 in Astronomy & Space

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Solving quadratic .....?

Hey guys i would like to ask if anyone have tips or exampls for this topic solving quadratic equation for example :

x square - 6x +4 =0
=(x square -6/2x)square -(6/2)square+4=0..
and so on...

+ i need tips for studying E.maths in singapore thank you if you really do give website or tips for me :) and also studying tips for other subject!!

2007-02-02 16:13:03 · 3 answers · asked by Anonymous in Mathematics

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