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rain appears to fall vertically on man walking 3km/h.but if he doubles his speed to rain it appear to fall 45°. Find the real velocity of rain?

rain appears to fall vertically on man walking 3km/h.but if he doubles his speed to rain it appear to fall 45°.


Find the real velocity of rain?

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1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
9 years ago
do it vectorially and use relative velocity

wrt to man rain horizotal velocity = zero in first case => v rain horizontal =-3i
second verticle component = -9j

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