The engine of a boat drives it across a river that is 1800
Chapter 3, Problem 3.23(choose chapter or problem)
The engine of a boat drives it across a river that is 1800 m wide. The velocity BW of the boat relative to the water is 4.0 m/s, directed perpendicular to the current, as in Figure 3.17. The velocity WS of the water relative to the shore is 2.0 m/s. (a) What is the velocity BS of the boat relative to the shore? (b) How long does it take for the boat to cross the river?
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