Is it possible substitutive explanation of SR: "because of larger relativistic mass everything moves more slowly."(adsbygoogle = window.adsbygoogle || []).push({});

I tried to to get this substitution mathematically, but it not works. I know that lorentz contraction should be included as supposition that things work.

For instance: a = gamma^3 a1.

a=acceleration inside of system which moves very fast.

a1=acceleration seen from not moving observer.

gamma=(1-(v/c)^2)^-1/2

v=velocity

c=speed of light

Or

dW = ma dx gamma3, (2)

when system accelerates and gains additional energy because of acceleration.

One explanation is that m=m0 gamma^3, but this dissagre with

W=W0 gamma and W=mc^2

If Lorentz contraction is included, I get

m=m0 gamma^2, but I wish m=m0 gamma

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# Time in SR and relativistic mass

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