Q. 335.0( 1 Vote )

A girl riding a b

Answer :

Let’s assume the velocity of rain to be


Let the speed of the girl be vgirl



Relative velocity of Rain with respect to the girl is given by,



In the first case,


vgirl = 5m/s



=


The rain falls vertically downwards with respect to the girl, so horizontal component of vrel = 0


a = 5m/s


In the second case,


vgirl = 10m/s



=


= (-5m/s) î + bĵ


The rain falls at an angle of 45° with respect to the girl, so the horizontal and the vertical components of vrel are equal.


b = -5m/s




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