Changes

Jump to navigation Jump to search
491 bytes added ,  15:54, September 15, 2016
Added the Formulae for the transformayions
Line 6: Line 6:  
''Any two observers moving at constant speed and direction with respect to one another will obtain the same results for all mechanical experiments.''<ref>http://physics.ucr.edu/~wudka/Physics7/Notes_www/node47.html</ref>
 
''Any two observers moving at constant speed and direction with respect to one another will obtain the same results for all mechanical experiments.''<ref>http://physics.ucr.edu/~wudka/Physics7/Notes_www/node47.html</ref>
 
</blockquote>
 
</blockquote>
−
== Relative Velocity ==  
+
 
 +
==Galilean transformations==
 +
 
 +
For a [[inertial frame of reference]], <math> (x', y', z', t') </math>, moving past another frame <math> (x, y, z, t) </math> at speed <math>u</math>, with the <math>x</math> and <math>x'</math> aligned, the transformations are:
 +
 
 +
<math> x' = x-ut</math><br/>
 +
<math> y' = y</math><br/>
 +
<math> z' = z</math><br/>
 +
<math> t' = t</math><br/>
 +
 
 +
In [[relativity]], these transformations are modified to produce the [[Lorentz transformation|Lorentz transformations]].
 +
 
 +
== Relative Velocity ==
 +
 
 
Where Galilean Relativity primarily differs from Special Relativity is in the calculation of relative velocity. If as observed by an observer in an inertial frame of reference two bodies have velocities of v<sub>1</sub> and v<sub>2</sub>, then their relative velocity v, is:
 
Where Galilean Relativity primarily differs from Special Relativity is in the calculation of relative velocity. If as observed by an observer in an inertial frame of reference two bodies have velocities of v<sub>1</sub> and v<sub>2</sub>, then their relative velocity v, is:
  
(username removed)

Navigation menu