Find ;at what angle w.r.t ground the umbrella should be held to remain dry under following conditions?

Question

If ;on a rainy day the wind is blowing at the velocity of 12 m/s in horizontal direction and rain drops are falling vertically at the velocity of 35 m/s , answer the above question?

Answer 1

108.92 degrees

ground being zero degrees

90 + 18.92 = 108.92

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