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A Simpler Lorentz Transformation Derivation

light flash at clock 1.png

§ Assume strictly and only  from the Michelson - Morley Experiment ( 1887 ) - that is, we know nothing more than that which is obtained from this famous experiment and its ad-hoc solution: 

1).

lorentz length contraction.png,


"Lorentz Length Contraction" of l'  in frame S'  moving away from stationary frame S as measured in S

2).

time dilation.png

"Lorentz Time Dilation"  of t'  in S'  moving away from stationary S system as measured in S.

3). Assume also the extent of the distance of the light flash from

                                                                                    

x1 to x2.png

describes a rigid rod. 

§ Some definitions:

a). In system S'

light path.png

b). In system S

light path 2.png

since S'  is moving away from S  with velocity v.

c). Because

equations

This latter is true because the entire system S' is relatively moving away from system frame S with velocity v in S - time t

§ Lorentz Transformation Equations Derivation:


I. Using "Lorentz Length Contraction" ad-hoc assumption of the Michelson - Morley Experiment ( 1887 ), 

equations

This part was easy!

II. We will be using "Lorentz Time Dilation" ad-hoc assumption of the Michelson - Morley Experiment ( 1887 ) in this rather more complicated following derivation: 

lorentz time dilation.

Nothing more to say!!




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