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I only know of two constants in the universe. One is time which is an invariable constant and change which is a variable constant.
There are NO Constants in the universe.Especially Planck's Constant or the Gravitational Constant.EinsteinGravitydotcom
Correlation
The relationship between elastic constant is that two independent elastic constants is required.
with what two materials did Edison experiment in order to make filaments
Um... try constants. ;)Constants are factors in the experiment that remain, well, constant. For example, if you have two cells in two petri dishes and you put salt in one of them, for whatever reason. Variable, the thing you change, is the salt. The constants are things like temperature, breeze, etc.
Two independent elastic constants
Constants in the sense you mean are different to mathematical constants. They usually refer to a system in which two values are proportionate and so are of the units associated with the system.
In the standard line equation, y=mx+b, y and x are not constants. They are like the manipulated and responding variables of a science experiment. for two lines to be parallel m must be the same for both lines.
I only know of two constants in the universe. One is time which is an invariable constant and change which is a variable constant.
There are two different uses for the word constant in science.1 There are some natural constants. The triple point of water, The atomic weight of an element, the speed of light. and so on.2 In an experiment, you are looking for the relationship, if any, between a cause and an effect. For example the question might be "Does the thermal conductivity of a substance change with the temperature range over which it is measured?"So we will measure the thermal conductivity at 0o, 20o, 100o, and 500o. (Perhaps.)In this case, the substance being tested should not be changed during the experiment. It will be a constant. As will be the heating and the measuring apparatuses.You should either use one sample bar of the substance, or carefully replicate it so that measurements made on different bars will give the same answers. (Which you can check for in a preliminary experiment)
values and constants
There are NO Constants in the universe.Especially Planck's Constant or the Gravitational Constant.EinsteinGravitydotcom
Physical constants are used for two main reasons. First, the quantitative predictions depend on the numerical values of the constants. An accurate knowledge of their values is therefore essential to achieve an accurate quantitative description of the physical universe. Second, the careful study of these constants can in turn test the overall consistency and correctness of the basic theories of physics themselves.
Correlation
There are several possibilities. They can be called arguments and there are two kinds, variables and constants. Variables can have different values and constants are always the same.
2 Hydrogen atoms.