Question

Suppose that you are swimming in a river while a friend watches from the shore. In calm water, you swim at a speed of 1.25 m/s . The river has a current that runs at a speed of 1.00 m/s. If you are swimming upstream (i.e., against the current), at what speed does your friend on the shore see you moving?
1.25m/s-1m/s=.25m/s

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