A man running on a horizontal road at 6 km//h finds the rain falling vertically. He doubles his speed and find that the raindrops make an angle 37^(@) with the vertical. Find the velocity of rain with respect to the ground.
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Explanation:
This shows that the horizontal component of rain =8 km/hr as the relative velocity of the rain has only a vertical component with respect the man.
Vx=8 km/hr
2nd case →VRM=VR−VM=(8↑−Vy↑)−12↑=−4↑−Vy↑
tan30o=Vy4
⇒31=Vy4
Vy=43 km/hr
⇒∣V∣=47 km/hr
Velocity of Rain =8 km/hr↑−43 km/hr↑
⇒tan
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