The symbol k is a proportionality constant known as **the Coulomb’s law constant**. The value of this constant is dependent upon the medium that the charged objects are immersed in. In the case of air, the value is approximately 9.0 x 10^{9} N • m^{2} / C^{2}.

Contents

- 1 What is the constant k?
- 2 What does k mean in physics?
- 3 What is k in physics energy?
- 4 What is the value of the electrostatic constant k?
- 5 What is the value for K in physics?
- 6 What do K mean in money?
- 7 What does K mean in an equation?
- 8 What is K in physics oscillation?
- 9 What is K subscript E in physics?

## What is the constant k?

The Coulomb constant, the electric force constant, or the electrostatic constant (denoted k_{e}, k or K) is a proportionality constant in electrostatics equations. In SI units it is equal to 8.9875517923(14)×10^{9} kg⋅m^{3}⋅s^{−}^{2}⋅C^{−}^{2}.

## What does k mean in physics?

Boltzmann constant, (symbol k), a fundamental constant of physics occurring in nearly every statistical formulation of both classical and quantum physics. The molar gas constant R is defined as Avogadro’s number times the Boltzmann constant.

## What is k in physics energy?

The Boltzmann constant (k_{B} or k) is the proportionality factor that relates the average relative kinetic energy of particles in a gas with the thermodynamic temperature of the gas.

## What is the value of the electrostatic constant k?

This equation is known as Coulomb’s law, and it describes the electrostatic force between charged objects. The constant of proportionality k is called Coulomb’s constant. In SI units, the constant k has the value. k = 8.99 × 10 9 N ⋅ m 2 /C 2.

## What is the value for K in physics?

The symbol k is a proportionality constant known as the Coulomb’s law constant. The value of this constant is dependent upon the medium that the charged objects are immersed in. In the case of air, the value is approximately 9.0 x 10^{9} N • m^{2} / C^{2}.

## What do K mean in money?

K comes from the Greek word kilo which means a thousand. The Greeks would likewise show million as M, short for Mega. So if we stay consistent with the Greek abbreviations, then billion would be shown as a letter G (Giga).

## What does K mean in an equation?

y = kx. where k is the constant of variation. Since k is constant (the same for every point), we can find k when given any point by dividing the y-coordinate by the x-coordinate. For example, if y varies directly as x, and y = 6 when x = 2, the constant of variation is k = = 3.

## What is K in physics oscillation?

Definition: A simple harmonic oscillator is an oscillating system whose restoring force is a linear force − a force F that is proportional to the displacement x: F = − kx. The force constant k determines the strength of the force and measures the “springiness” or “elasticity” of the system.

## What is K subscript E in physics?

The electric force between charged bodies at rest is conventionally called electrostatic force or Coulomb force. Here, K or k_{e} is Coulomb’s constant (k_{e} ≈ 8.988×10^{9} N⋅m^{2}⋅C^{−}^{2}), q_{1} and q_{2} are the signed magnitudes of the charges, and the scalar r is the distance between the charges.