Naked Science Forum

Non Life Sciences => Physics, Astronomy & Cosmology => Topic started by: marzosia2 on 22/03/2016 08:16:19

Title: Do we have famous ZERO ?
Post by: marzosia2 on 22/03/2016 08:16:19
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please evaluate the same problem for Y axis
The Michelson–Morley experiment was performed over the spring and summer of 1887 by Albert A. Michelson and Edward W. Morley at what is now Case Western Reserve University in Cleveland, Ohio, and published in November of the same year.[1] It compared the speed of light in perpendicular directions, in an attempt to detect the relative motion of matter through the stationary luminiferous aether ("aether wind"). The result was negative, in that the expected difference between the speed of light in the direction of movement through the presumed aether, and the speed at right angles, was found not to exist; this result is generally considered to be the first strong evidence against the then-prevalent aether theory, and initiated a line of research that eventually led to special relativity, which rules out a stationary aether.[A 1] The experiment has been referred to as "the moving-off point for the theoretical aspects of the Second Scientific Revolution".[A 2]

Michelson–Morley type experiments have been repeated many times with steadily increasing sensitivity. These include experiments from 1902 to 1905, and a series of experiments in the 1920s. More recent optical resonator experiments confirmed the absence of any aether wind at the 10−17 level.[2][3] Together with the Ives–Stilwell and Kennedy–Thorndike experiments, Michelson–Morley type experiments form one of the fundamental tests of special relativity theory.


Marosz me :
WHAT WILL BE IF :
EARTH IS NOT MOVING ?
I  will see ZERO during Michelson Morley ?
What will be if  Earth is moving ?
we will see doppler in this test ? 

absolute 100% zero motion ? exist or not ?

Physics's History !

1600 Galilean relativity /Natural Fall Law
 
1861 J. C. Maxwell, published his theory of electromagnetic fields and radiation, which
shows that light has momentum and thus can exert pressure on objects.
1901  P. N. Lebedev EXPERIMENTAL EXAMINATION OF LIGHT PRESSURE
 
2011 Grover Swartzlander first began to examine a revolutionary concept in optical physics after studying the flight of a moth. He watched the animal use its wings to create lift, which led to flight.

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 Galilean relativity ?******************************

Imagine a person inside a ship which is sailing on a perfectly smooth lake at constant speed. This passeneger is in the ship's windowless hull and, despite it being a fine day, is engaged in doing mechanical experiments (such as studying the behavior of pendula and the trajectories of falling bodies). A simple question one can ask of this researcher is whether she can determine that the ship is moving (with respect to the lake shore) without going on deck or looking out a porthole.
Since the ship is moving at constant speed and direction she will not feel the motion of the ship. This is the same situation as when flying on a plane: one cannot tell, without looking out one of the windows, that the plane is moving once it reaches cruising altitutde (at which point the plane is flying at constant speed and direction). Still one might wonder whether the experiments being done in the ship's hull will give some indication of the its motion. Based on his experiments Galileo concluded that this is in fact impossible: all mechanical experiments done inside a ship moving at constant speed in a constant direction would give precisely the same results as similar experiments done on shore.
The conclusion is that one observer in a house by the shore and another in the ship will not be able to determine that the ship is moving by comparing the results of experiments done inside the house and ship. In order to determine motion these observers must look at each other. It is important important to note that this is true only if the ship is sailing at constant speed and direction, should it speed up, slow down or turn the researcher inside can tell that the ship is moving. For example, if the ship turns you can see all things hanging from the roof (such as a lamp) tilting with respect to the floor
Generalizing these observations Galileo postulated his relativity hypothesis:
???
any two observers moving at constant speed and direction with respect to one another will obtain the same results for all mechanical experiments   
???
(it is understood that the apparatuses they use for these experiments move with them).
In pursuing these ideas Galileo used the scientific method (Sec. 1.2.1): he derived consequences of this hypothesis and determined whether they agree with the predictions.
This idea has a very important consequence: velocity is not absolute. This means that velocity can only be measured in reference to some object(s), and that the result of this measurment changes if we decide to measure the velocity with respect to a diferent refernce point(s). Imagine an observer traveling inside a windowless spaceship moving away from the sun at constant velocity. Galileo asserted that there are no mechanical experiments that can be made inside the rocket that will tell the occupants that the rocket is moving . The question ``are we moving'' has no meaning unless we specify a reference frame (``are we moving with respect to that star'' is meaningful). This fact, formulated in the 1600's remains very true today and is one of the cornerstones of Einstein's theories of relativity. 
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WE ARE DOING THE SAME EXPERIMENT INSIDE AIRPLANE A
and INSIDE AIRPLANE B !

HOW BIG FORCE SI REGISTERING SENSOR ?
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WHO TOLD THAT THERE IS ZERO ?
EINSTEIN ?
Mach told that there is NO ZERO ! 

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