A river of width 'w' is flowing variable velocity given by v_(r)=v_(0)(1+ (sqrt(3)-1)/(w)y). Where 'y' is perpendicular distance from one bank. A boat is driven such that it moves perpendicular to bank. Velocity of boat in still water is 2V(0) Drift of boat is

A river of width 'w' is flowing variable velocity given by v_(r)=v_(0)

1.	A river of width 'w' is flowing variable velocity given by v_(r)=v_(0)(1+ (sqrt(3)-1)/(w)y). Where 'y' is perpendicular distance from one bank. A boat is driven such that it moves perpendicular to bank. Velocity of boat in still water is 2V(0) Drift of boat is
Answer» `(W pi)/(3(SQRT(3)-1))` `(pi w)/(2)` ZERO `(pi w)/(6(sqrt(3)-1))` Answer :C