# Special relativity (Lorentz contraction) Calculator

## Calculates the length contraction of a body moving with some relative velocity with respect to the observer.

 Length of a body L0 m Relative velocity v km/s ≦c 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit Observed length L m Velocity ratio to light v/c %
 $\normal Lorentz\ contraction\\\vspace{5}\hspace{20} L=L_0\sqrt{1-{\large\frac{v^2}{c^2}}},\hspace{20}c=299792.458km/s$

Special relativity (Lorentz contraction)
 [1-10] /13 Disp-Num5103050100200
[1]  2019/02/02 02:40   Male / Under 20 years old / High-school/ University/ Grad student / A little /
Purpose of use
I'm trying to create a formula for virtual negative mass at lagrangian points.
Comment/Request
Though this is a useful calculator I would also like to see a gravitational time dilation calculator
[2]  2018/09/14 13:26   Female / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
Making number crunching easier on the mind
[3]  2018/09/14 13:24   Female / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
[4]  2018/05/12 09:25   Male / 50 years old level / Self-employed people / Very /
Purpose of use
To find hard mathematical data to support Fermi''s Paradox. Also to have hard data to throw back at UFO enthusiasts.
Comment/Request
None.
[5]  2018/03/26 08:11   Male / Under 20 years old / High-school/ University/ Grad student / Useful /
Purpose of use
school
[6]  2018/02/16 07:08   - / - / - / Very /
Purpose of use
Studies
Bug report
A spacecraft is moving with the speed of 10percent that of light .what is the fractional change in length due to the lorentz contraction?
[7]  2018/01/14 03:25   Male / Under 20 years old / High-school/ University/ Grad student / Useful /
Purpose of use
Check work on AP physics sheet.
[8]  2017/12/19 22:49   Male / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
Fun
[9]  2017/02/13 05:01   Male / 40 years old level / A teacher / A researcher / Very /
Purpose of use
Making test questions with reasonable calculation results
[10]  2015/03/08 15:42   Male / 60 years old level or over / A retired people / Very /
Purpose of use
working to prove LC not exist

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