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A man is walking at 2m*s^(-1) towards so...

A man is walking at `2m*s^(-1)` towards south . To him, the wind appears to blow from east. When he moves with double the velocity , the direction of the wind appears to be exactly from the sount-east. Find the velocity of the wind and the direction of blowing .

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The correct Answer is:
`2sqrt(2) m*s^(-1)` from the north-east.
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