Physics, Maths and Chemistry
What are the first 17 digits of pi? What's a good science fair project? Get math help from basic math to algebra, geometry and beyond. Delve into scientific issues and advances in the earth, life, physical, social and space sciences.
featured questions
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What’s being done to stopping people from hacking World Cup info?
Quantum cryptography keeps hackers from sensitive ... -
who won the 2010 Presidential Green Chemistry Challenge Award?
The Dow Chemical Company (Dow) and BASF received a... -
is it true that singing teaches math?
LA middle school math teacher, LaMar Queen uses rh...
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popular questions
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What are compounds that have water molecules in their crystalline structure?
Compounds that have water of crystallization apart... -
Calculate the average speed of a cheetch that runs 140 meters in 5 seconds?
The average speed if the cheetah ran 140 meters in... -
What is the difference between a southl and a suspension
A true solution is a homogeneous solution in which... -
what is pi written to the 50th decimal?
Pi to the 50th decimal is 3.1415926535897932384626... -
How many square miles are on earths surface
Total: 196,939,900sq miles, Land: 57,506,055.5sq m... -
Did scientists create a black hole on earth
Black holes cannot be found on Earth but can be fo... -
How many hours is 800 miles if your driving 70 miles per hour
Because there are 60 minutes in an hour, it would ... -
What 3 +3
3+3=6. Addition is a mathematical process of combi... -
How many gallons are in a cubic ft.
There are 7.48 gallons in 1 cubic foot and 748 gal... -
What is 1 + 1 ?
1 + 1 = 2 & 2 + 2= 4. Do you have any more questio... -
How do you count to 2 million
1,2,3,4,5,6,7,8,9,10,11,12...and so on. Did you kn... -
How many moles in a gram
The SI mole is identical to the gram-mole. 1 mole ... -
24/7 (Jamesjodie)
In math, 24/7 = 3.43 (rounded). "24/7" also refers... -
What does styrofoam do to a gas tank?
When you mix Styrofoam (extruded polystyrene) with... -
Two meters are how many centimeters
There are 100 centimeters in one meter. Therefore,... -
What is quantom physics
Branch of physics that uses quantum theory to desc... -
How much is 2.48895e8?
2.48895e8 is equal to 248,895,000. Multiple the de... -
How long is the number pi
Pi is an irrational number & has no end. It is use... -
Does 0x mean, There is no X or does it mean X=1
It's neither. The term "0x" is not commonly used b... -
A 2-Kg object is moving horizontally with a speed of 4m/s. How much net force is required to keep the object moving at this speed and in this direction?
You need 0 force because you don't need any more a...
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What is a rational number
Rational numbers are number that can be expressed ... -
How many ounces are in a quart
1 quart is equal to 32 fluid ounces. That is the e... -
Why is there a delay in the boom after fireworks?
Like Lightening & Thunder, it's the same way. Ligh... -
How many liters are in a gallon 4-18-09
There are 3.7854118 liters in a gallon. Ask us any... -
What measures atmospheric pressure
A barometer is an instrument used to measure atmos... -
If the absolute temperature of a given quantity of gas is doubled and the pressure tripled, what happens to the volume of gas?
By the ideal gas law, PV = T if amount stays const... -
Can a 2.5 degree fixed motor be rotated down hole.
Yes. This can be done. Would you like to contact a... -
When two people are a odd number apart in years will they ever be a even number age at the same time? $weet Dre@m or be@utiful n!ghtm@re?
No, because an even number + an odd number always ... -
What is 0.08 percent of 1,023,142?
0.08/100 (or .0008) of 1,023,142 figures out to 81... -
What is eulers circuit
A Euler circuit traverses each edge of the graph e... -
How do you find the break-even point?
The Break Even = Fixed Cost / (Unit Price - Variab... -
What are the seven basic fallacies of logic?
Fallacies are defects that weaken arguments. Ex. H... -
How many bugs are there in 1 square foot of grass?
A bed bug has a size of 4.5mm. So in 1 square foot... -
What are the square roots of: 864; 448; and 1485?
The square roots of 864, 448, and 1485 are 29.39, ... -
Does the rotation of the sun control time?
The Earth's rotation around the sun as Earth rotat... -
How fast is light
Light travels at a constant, finite speed of 186,0... -
3/5 + 4/7= ? Simplify if possible.
To add three fifths and four sevenths, find the co... -
what is an example of an organic thing?
All organic compounds contain hydrogen and carbon.... -
what is the density of silver?
Density:The mass per unit volume of a substance un... -
Will the world come to a end
Nobody knows when the world will end for sure, but... -
What is ionic radius
The ionic radius of an element is its share of the... -
Is the reciprocal of zero zero
The reciprocal of zero is undefined. Zero fits int... -
Can quality white gold turn a yellowish hue?
Yes, white gold turns yellowish when the rhodium p... -
What does ultracet do?
It is a narcotic-like pain reliever and is used to... -
What turns litmus blue
Litmus paper is used to find out if a solution is ... -
I'm given the mass, the angle of the slope and the coefficient of sliding friction. How do i find acceleration?
(a=f/m) Here a=acceleration, f=force, m=mass -
How many degree's are in a triangle?
A right angle it's 90 degrees. A triangle must hav... -
Can people scuba dive in the Mariana trench? If they did what would jappen? Would they explode of pressure?
No it would not be possible to scuba dive in the M... -
If there are ten people in a room. And they all shake hands. How many hand shakes in total would there be?
The formula is n(n-1)/2. So, 10(10-1)/2=45. There ...
