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26 Nov 2019
A swimmer heads directly across a river, swimming at 2 m/s relativeto the water. She arrives at a point 41 m downstream from the pointdirectly across the river, which is 84 m wide.
(a) What is the speed of the river current?
(b) What is the swimmer's speed relative to the shore?
(c) In what direction should the swimmer head so as to arrive atthe point directly opposite her starting point?
A swimmer heads directly across a river, swimming at 2 m/s relativeto the water. She arrives at a point 41 m downstream from the pointdirectly across the river, which is 84 m wide.
(a) What is the speed of the river current?
(b) What is the swimmer's speed relative to the shore?
(c) In what direction should the swimmer head so as to arrive atthe point directly opposite her starting point?
Nelly StrackeLv2
3 Feb 2019
