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A boat, whose speed in still water is 1.70 m/s, must cross a 260-m-wide river and arrive
Chapter 3, Problem 46P(choose chapter or problem)
Problem 46P
A boat, whose speed in still water is 1.70 m/s, must cross a 260-m-wide river and arrive at a point 110 m upstream from where it starts (Fig. 3–40). To do so, the pilot must head the boat at a 45° upstream angle. What is the speed of the river’s current?
Figure 3–40
Questions & Answers
QUESTION:
Problem 46P
A boat, whose speed in still water is 1.70 m/s, must cross a 260-m-wide river and arrive at a point 110 m upstream from where it starts (Fig. 3–40). To do so, the pilot must head the boat at a 45° upstream angle. What is the speed of the river’s current?
Figure 3–40
ANSWER:
Solution
Step 1 of 3
In this problem, we have to calculate the speed of the river’s current. The given data is speed of still water, the angle is and the distance is .
