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Compute all parts of given question:
Question: A powerboat is heading eastward, upstream at 4 knots, in a river that has a current that flows at 1.5 knots at 35º north of east wrt the horizontal riverbank.
Part A: What is the speed of the boat with respect to the ground?
Part B: What is the direction of the boat's velocity with respect to the ground?
Please show all work so I can fully understand all concepts!
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