. A man running on a horizontal road at 8 km/h

finds the rain falling vertically. He increases his speed to 12 km/h and finds that the drops make

angle 30° with the vertical. Find the speed and direction of the rain with respect to the road.


Best Answer


Making a diagram with the given data,

man running

The horizontal component of rain is 8 km/h.

And, the vertical component of the rain is relative velocity with respect to man.


vertical component

Final answer:

The speed of the rain with respect to the road is 4√3 km/hr and the direction is tanm ∝ =2/√3 vertical.

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