. A glass wind screen whose inclination with the vertical can be changed is mounted on a car. The car moves horizontally with a speed of 2m/s. At what a


A glass wind screen whose inclination with the vertical can be changed is mounted on a car. The car moves horizontally with a speed of 2m/s. At what angle a with the vertical should the wind screen be placed so that the rain drops falling vertically downwards with velocity 6 m/s strike the wind screen perpendicularly.

 

  • (A):tan–1(3)
  • (B):tan–1(1/3)
  • (C):cos–1(3)
  • (D):sin–1(1/3)

Best Answer

Correct Answer:

(A): tan–1(3)

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