SAT, 29.09.2021 01:50 lizatapper3086
a swimmer wants to cross a river, from point a to point b, as shown in the figure. the distance d1 (from a to c) is 200 m, the distance d2 (from c to b) is 150 m, and the speed vr of the current in the river is 5 km/hour. suppose that the swimmer's velocity relative to the water makes an angle of θ=45degrees with the line from a to c, as indicated in the figure.
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a swimmer wants to cross a river, from point a to point b, as shown in the figure. the distance d1 (...
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