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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

Difference between rate constant and specific rate constant?

There is no difference between them they are same rate constant is another name of specific rate constant

What is the atomic mass-?

The atomic mass is the mass of a molecule, atomic particle or sub-atomic particle.

Is -23 an imaginary number?

No, but √-23 is. An imaginary number is the square root of a negative number.

Is the spring constant is constant on the moon?

no the spring constant is not constant on moon because there is no restoring force there

How does the average speed of light in glass compare with it's speed in a vacuum?

In vacuum, the speed of light is a constant c = 300 000 000 m/s. In a transparent medium, light slows down by a factor of 1/n where n is called the refractive index of the medium. The refractive index of most common glasses is around 1.5 (3/2), so light will travel at a speed v = c/n = (2/3)c = 200 000 000 m/s in the glass.

How do you calculate speed of light in a vacuum?

-- look up the electrostatic permittivity of free space

-- look up the magnetic permeability of free space

-- multiply them

-- take the square root of the product

-- take the reciprocal of the square root

The number you have is the speed of light in a vacuum.

Which element has an atomic mass of 31?

The atomic mass of Phosphorus is 30.9738. However, Gallium has an atomic number of 31.

What is lanthanum atomic mass?

Im not sure about the atomic mass bit but Lanthanum is a silvery white, malleable, ductile, and soft rare-earth metal xx

Who wrote pi pi mathematical pi?

Anglesey-born William Jones was the first person to use the Greek letter π for the ratio of a circle's circumference to its diameter.

What is the 999th number of pi?

The 999th digit, averall, is 9. The 999th digit after the decimal place is 8.

Can the speed of light be changed?

no.

speed of light is always constant .

as long as the light stays in the same medium.

the speed is generally slightly different in different media.

What Debit ratio?

A ratio is a quantity that denotes the proportional amount or magnitude of one quantity relative to another. by swety

What is a googol in math?

A googol is 10100, that is, the digit 1 followed by one hundred zeros.

When two numbers equal zero?

Any number minus itself equals zero. Any number plus its opposite equals zero. Any number times zero equals zero.

What is the definition of the golden ratio?

Given two quantities, when the ratio of the larger quantity to the smaller one is equal to the ratio of the sum of the quantities to the larger one, then the ratio is said to be the golden (or divine) ratio. Said another way, given two quantities (a and b), a is to b as a plus b is to a. Expressed symbolically: a : b :: a + b : a Expressed algebraically, it looks like this: a/b = (a + b)/a, where a > b. The golden ratio is approximately 1.6180339887.

What is Planck's constant dimensionally equal to?

Planck's Constant is dimensionally equal to Angular Momentum. The unit is Joules second.

How do you get the golden ratio?

the golden ratio lies exactly halfway between 1 and square root of (5)
(1+square root of (5))/2=golden ratio
golden ratio=1.6180339887498948482045868343656...