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Question

Joshi sir comment

According to first given condition velocity component of rain = u

let vertical component of rain = v

According to second condition

velocity of rain relative to man

$= (n u - u) (- \hat{i}) + v (- \hat{j})$ $h e r e d i r e c t i o n o f m o t i o n o f m a n i s \hat{i} a n d v e r t i c a l l y u p w a r d d i r e c t i o n i s c o n s i d e r e d a s \hat{j} N o w d r a w t r i a n g l e f o r t h i s v e c t o r a n d g e t c o t θ s o l v e i t i n f o r m f o r a n y i s s u e$

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