A river has a steady speed of 0.370 m/s. A student swimsupstream a distance of 1.00 km and swims back to the startingpoint.
(a) If the student can swim at a speed of 1.30 m/s in stillwater, how long does the trip take?
s
(b) How much time is required in still water for the same lengthswim?
s
(c) Intuitively, why does the swim take longer when there is acurrent?
