A motor boat can travel at 10 km/h in still water. A river flows at 5 km/h toward the west. A boater wishes to travel from the south bank to a point directly opposite on the north bank. At what angle must the boat be pointed? a) 60 degrees N of E b) 41.4 degrees N of E c) 60 degrees N of W d) 41.4 degress N of W e) 30 degrees N of E

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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4) A motor boat can travel at 10 km/h in still water. A river flows at 5 km/h toward the west. A boater wishes to travel from the south bank to a point directly opposite on the north bank. At what angle must the boat be pointed?

a) 60 degrees N of E

b) 41.4 degrees N of E

c) 60 degrees N of W

d) 41.4 degress N of W

e) 30 degrees N of E

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