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A straight river flows east at a speed of 8 mi/h. A boater starts at the south shore of the river and heads in a direction 60

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Answer #1

a. 8i mi/h

b. v= (20cos60°)i+ 20 sin60°j mi/h

10i+17.32j mi/h

c. v=(20cos60°+8)i + 20sin60j mi/h

= 18i+17.32j mi/h

d. v = 25 mi/h

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