What is the power law formula?
A power law distribution has the form Y = k Xα, where: X and Y are variables of interest, α is the law’s exponent, k is a constant.
What is an example of a power law?
An example is the area of a square region in terms of the length of its side. If we double the length we multiply the area by a factor of four. Similarly, if we double the length of a side of a cube, we multiply the volume of the cube by a factor of eight. Each of these is an example of a power law relationship.
What is a power law in statistics?
In statistics, a power law is a functional relationship between two quantities, where a relative change in one quantity results in a proportional relative change in the other quantity, independent of the initial size of those quantities: one quantity varies as a power of another.
What is the power law coefficient?
Polymers can be described by the power-law coefficient, which is a simple relationship derived from the shear-rate/viscosity curves at different temperatures. It describes the viscosity in most of the processing range of the extruder.
How do I calculate power?
Power is equal to work divided by time. In this example, P = 9000 J /60 s = 150 W . You can also use our power calculator to find work – simply insert the values of power and time.
What are the 6 laws of exponents?
Rule 1 (Product of Powers)
What is K in power law?
K is the flow consistency index (SI units Pa sn), ∂u∂y is the shear rate or the velocity gradient perpendicular to the plane of shear (SI unit s−1), and. n is the flow behavior index (dimensionless).
What is inverse power law?
Probably the most important and widely used model for mechanical systems is the inverse power law (IPL). The most critical factor is n, the life-stressor slope with s being stress applied to the system. There are many other life-stress relationships that are commonly employed based on the underlying physics of failure.
How is DC power calculated?
P=VXI. P = V X I . Here P is power in watts. V is voltage in volts.