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Wind is blowing at constant velocity vec...

Wind is blowing at constant velocity `vecv` towards west. A man initially at rest starts moving with constant acceleration `veca` towards north. The moment of time at which direction of wind appears south west to him is:

A

`(|vecv|)/(|veca|)`

B

`(2|vecv|)/(|veca|)`

C

`(vecv)/(2|veca|)`

D

`(2)|vecv|/(3|veca|)`

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