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Mathematical Constants
Intriguing, ubiquitous, and at times mysterious, numerical constants set the allowable limits for all universal phenomena. Whether your questions involves π, Avogadro's number, Planck's constant, the atomic mass unit, or any of the other multitudes of immutable numbers used in science, this is the category where they should be asked.
2,332 Questions
Coulomb's Law states that the magnitude of the electrostatic force between two point electric charges is directly proportional to the product of the magnitudes of each charge and inversely proportional to the square of the distance between the charges. A link is provided to the Wikipedia article.
How much is 80 million in zeros?
The question cannot be answered. Any number of zeros will still be zero: you will never ever get to 80 million.
Why do you spell number one one?
Because.
That is how the English language has worked for years and years and years and makes the most sense.
Where the Planck's constant equation apply?
E = hv Where h is the Planck's constant v is the frequency of the photon and E is the energy of the photon
What is a labor ratio and what line items belong in it?
A labor ratio is the percentage of labor spent vs the amount of revenue earned. A labor ratio is the percentage of labor spent vs the amount of revenue earned.
Does the gas constant R vary with temperature?
No, the gas constant, or any constant, is constant meaning it doesn't change.
What is the spring constant of a spring?
The ratio of force applied to how much the spring streches (or compresses). In the SI, the spring constant would be expressed in Newtons/meter. A larger spring constant means the spring is "stiffer" - more force is required to stretch it a certain amount.
What is universal molar gas constant?
The gas constant (also known as the molar, universal, or ideal gas constant, normally indicated by the symbol R) is a physical constant which is used in many of the fundamental equations in the physical sciences, such as the ideal gas law and the Nernst equation. It is equivalent to the Boltzmann constant, but expressed in units of energy (i.e. the pressure-volume product) per kelvin per mole (rather than energy per kelvin per particle). The gas constant uses the same units as specific entropy.
Its value is: : R = 8.314472(15) J · K-1 · mol-1The two digits in parentheses are the uncertainty (standard deviation) in the last two digits of the value. The gas constant occurs in the simplest equation of state, the ideal gas law, as follows: : PV = nRT = nRT / V = RT / Vm
where: : P: is the absolute pressure : T: is absolute temperature : V: is the volume the gas occupies : n: is the amount of gas (the number of gas molecules, usually in moles) : Vm: is the molar volume
How many zeros are in the numeric form of 8.2 times 10 to the power of 20?
19 zeroes. (One of the 20 zeroes in 1020 is "lost" when multiplying 8.2 by 10 the first time; it becomes 82. This is then multiplied by 10 a further 19 times giving 19 zeroes on the end of "82").
