a stationary man observes that rain is falling vertically downward. when he starts running wit a velocity 12 km/ h observes that rain falling at an angle 60 with the vertical.the actual velocity of rain is
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Answer:
The answer will be 6.92 km/h
Explanation:
According to the problem the velocity of the man is v = 12 km/h
As the man is going with a constant velocity
Therefore change in velocity = 12 km/h
Now the rain is falling with angle of 60°
Therefore tan 60° = change in velocity/ velocity of the rain(v1)
=> √3 = 12/ v1
=> v1 = 12/√3
= 6.92 km/h
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