A man walks in the rain with a velocity of 5 km/hour. The raindrops strike at him at an angle of `45^(@)` with the horizontal. The downward velocity of the raindrops will be:

Options

A. 5km/h.
B. 4km/h.
C. 3km/h.
D. 1km/h.

Answer

B

Explanation

Let x be rain.s velocity

`:x=5tan theta rarr` x=5km/hr