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and for rel. velocity
its nothing..
its just the velocity of one body w.r.t. another moving body.
the velocity of the body is calculated taking that body at rest w.r.t. which it is calculated.
Suppose a car moves at 50mps and another at 30mps.
So for a man sitting in the 30mps car, the other car moves with a spd. 50 - 30 = 20mps.
and for a man in the 50mps var, the other car will appear to go back. So its vel. relative the the car at 50mps will be -20mps
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Moderation Team
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