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Special theory of relativity
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Special theory of relativity (Lorentz contraction)
Calculates the moving length at observer (Lorentz contraction) when a body with some rest length is moving at some relative velocity.
Special theory of relativity (time)
Calculates the time dilation at observer's clock when a body with some relative velocity is moving for some seconds.
Special theory of relativity (mass)
Calculates the mass of a body with uniform motion.
Special theory of relativity (velocity)
Calculates the velocity increment based on the speed of one object and the speed of another object.
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