Two stones are projected from the top of a tower in opposite direction, with the same velocity V but at 300 & 600 with horizontal respectively. The relative velocity of first stone relative to second stone is

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2V3

answer is B.

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Detailed Solution

V→1=Vcos30i^+Vsin30j^V→2=-Vcos60i^+Vsin60j^V→12=V→1-V→2

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