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a small boat has a max speed of 4 m/s in still water.the boat is moored to a pie

ID: 2169329 • Letter: A

Question

a small boat has a max speed of 4 m/s in still water.the boat is moored to a pier on south side of a river.the river flows from east to west and has a width of 25 m frm the south bank to the north bank.the river has a current of 1.5 m/s. a person desire to drive the boat at max speed from its moored location directly to a pir on the north side of the river that is exactly north of the starting point.a) in what direction should be the bow of the boat be pointed to proceed directly north a cross the river?b)how long would it be?

Explanation / Answer

direction = 22.02 degrees with river bank and in opposing the river flow time = 25 / (1.499) = 16.67 sec