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27 Nov 2019
A swimmer heads directly across a river, swimming at 1.5 m/srelative to the water. She arrives at a point 42 m downstream fromthe point directly across the river, which is 83 m wide.
(a) What is the speed of the river current?
m/s
(b) What is the swimmer's speed relative to the shore?
m/s
(c) In what direction should the swimmer head so as to arrive atthe point directly opposite her starting point?
° upstream from straight ahead
A swimmer heads directly across a river, swimming at 1.5 m/srelative to the water. She arrives at a point 42 m downstream fromthe point directly across the river, which is 83 m wide.
(a) What is the speed of the river current?
m/s
(b) What is the swimmer's speed relative to the shore?
m/s
(c) In what direction should the swimmer head so as to arrive atthe point directly opposite her starting point?
° upstream from straight ahead
Reid WolffLv2
13 Jun 2019
