Addition of velocities. relativity.

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Homework Statement


Show that the addition of velocities implies that:
a)if V < c in any inertial frame, then V < c in any other.
b)If V=c in one inertial frame, then V=c in the other.
c)If V>c in any inertial frame, then V>c in any other inertial frame.

Homework Equations



Vx'=(Vx-c)/(1-vVx/c^2)


The Attempt at a Solution


I did b) and I can't do a) and c)
 

Answers and Replies

  • #2
vela
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Show us what you tried for part a.
 

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