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To a man walking at 7 kmph due west, the...

To a man walking at 7 kmph due west, the wind appears to blow from the north-west but when he walks at 3 kmph due west, the wind appears to blow from north. The magnitude and actual direction of wind are

A

`5kmph, tan^(-1)((3)/(4))` east of north

B

5kmph, `tan^((3)/(4))` north of east

C

4kmph, `tan^(-1)((3)/(4))` east of north

D

3kmph,` tan^(-1)((3)/(4))` north of east

Text Solution

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The correct Answer is:
A
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