What is the relative velocity of two bodies having equal velocities?

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Mahith M

Teaching Assistant in Physics at University of New Brunswick, Canada

If the objects are moving parallel to each other, then the relative velocity as viewed from either reference frame will be twice the velocity, and if moving opposite to each other, it will be zero.
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If they are moving opposite to each other then v1+V2=twice the velocity of one body..if they are moving in same direction then v1-v2 =0...provided every body is having non-relativistic velocity..i.e-v<<<c (velocity of light)..
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