Answers

2014-10-12T11:44:13+05:30
So when Bodies are moving in same direction then

V_{AB}=V_{A}-V_B (Relative velocity of a with respect to b)

When bodies are moving in opposite direction

 ⇒V_{AB}=V_{A}-(-V_{B})

 V_{AB}=V_{A}+V_{B}
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