A river of width 100 m is flowing north at 5 m/s. A motor boat that can travel at 3 m/s in still water is crossing the river from the west bank to the east bank. What is the smallest distance down the river (measured along the shore) that the boat can land on the eastern shore?

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A river of width 100 m is flowing north at 5 m/s. A motor
boat that can travel at 3 m/s in still water is crossing the
river from the west bank to the east bank. What is the
smallest distance down the river (measured along the
shore) that the boat can land on the eastern shore?
Hint: 167 m is not the correct answer.
Transcribed Image Text:A river of width 100 m is flowing north at 5 m/s. A motor boat that can travel at 3 m/s in still water is crossing the river from the west bank to the east bank. What is the smallest distance down the river (measured along the shore) that the boat can land on the eastern shore? Hint: 167 m is not the correct answer.
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