Question

QUESTION 6:
A man is going due east with a velocity of 5ms - 1. If is vertically raining downwards with a velocity of 4ms, at what
angle should he hold the umbrella to the vertical so as to protect him self from the rain
tan- G)in anticlockwise direction
len
tan- in clockwise direction
• tan-' () north of east
tan-() east of north
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Answer 1

Answer:

Relative to man, rain is coming from east at 5 km/h and from top at 4 km/h.

Hence, from vertical, the angle is tan

−1

(5/4) in clock-wise direction.

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