Relative velocity: A swimmer heading directly across a river 200 m wide reaches the opposite bank in 6 min 40 s, during which time she is swept downstream 480 m.
(a) How fast can she swim in still water?
(b) What is the speed of the current?

Question

Quizplus · Accepted Answer

The Answer of Relative velocity: A swimmer heading directly across a river 200 m wide reaches the opposite bank in 6 min 40 s, during which time she is swept downstream 480 m.
(a) How fast can she swim in still water?
(b) What is the speed of the current?

Relative Velocity: a Swimmer Heading Directly Across a River 200