Physics, 05.02.2020 02:02 rbalexander25
The speed of the current in a river is 6 mph. a ferry operator who works that part of the river is looking to buy a new boat for his business. every day, his route takes him 22.5 miles against the current and back to his dock, and he needs to make this trip in a total of 9 hours. he has a boat in mind, but he can only test it on a lake where there is no current. how fast must the boat go on the lake in order for it to serve the ferry operator’s needs?
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The speed of the current in a river is 6 mph. a ferry operator who works that part of the river is l...
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