Rain is falling vertically downwards with velocity 4 m/s and a man walks horizontally with velocity 3 m/s. The velocity...

Type: MCQ • Marks: 1

Rain is falling vertically downwards with velocity 4 m/s and a man walks horizontally with velocity 3 m/s. The velocity of rain relative to man is:

A. 4 i^ - 3 j^ m/s

B. -4 i^ + 3 j^ m/s

C. 3 i^ + 4 j^ m/s

D. -3 i^ - 4 j^ m/s

Explanation

Let horizontal be i^ and vertically upward be j^. v_rain = -4 j^, v_man = 3 i^. v_rel = v_rain - v_man = -3 i^ - 4 j^ m/s.

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