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A man 'A' moves in north direction with ...

A man 'A' moves in north direction with speed 10m/s and another man B moves in `E-30^(@)-N` with `10 m//s`. Find the relative velocity of `B w.r.t. A.

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The correct Answer is:
`5sqrt(3)hati-5hatj, E-30^(@)-S`
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