A70 m wide river flows at 0.80 m/s [e]. a girl, starting on the south shore, swims across it at 1.4 m/s relative to the water.
a) what is the least time she requires to cross the river?
b) how far downstream will she be when she lands on the opposite shore?
c) at what angle to the shore would she have to aim, in order to arrive at a point directly opposite the starting point?
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A70 m wide river flows at 0.80 m/s [e]. a girl, starting on the south shore, swims across it at 1.4...
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