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A river is 5 km wide and flows at 4 km/h downstream. Sam has a motorboat, which has a speed of 23 km/h in still

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A river is 5 km wide and flows at 4 km/h downstream. Sam has a motorboat, which has a speed of 23 km/h in still water, and he heads out upstream at angle 30 with respect to the current. What is Sam's resultant velocity? Include a sketch. Show all steps. Round all answers to 1 decimal place if needed

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