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Q. Statement 1: A person can swim in still water with a velocity less than river flow. If he starts swimming perpendicularly to the river velocity observed by stationary frame, then drift of the person is minimum.
Statement 2: The time spent in river will be minimum, when swimmer swims in the direction perpendicular to the velocity of river

Motion in a Plane

Solution:

If the swimmer has a component against the river's velocity, then the drift can be lessened