SOLUTION: I am standing at the shore. One mile east there is a point, also on the shore. One mile offshore and north from that point there is a boat in the water. It is moving westerly and p
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Question 890958: I am standing at the shore. One mile east there is a point, also on the shore. One mile offshore and north from that point there is a boat in the water. It is moving westerly and parallel to the shore at 25 mph. At what speed is it approaching me?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
I am standing at the shore. One mile east there is a point, also on the shore. One mile offshore and north from that point there is a boat in the water. It is moving westerly and parallel to the shore at 25 mph. At what speed is it approaching me?
-----------------
a = distance of boat from shore = 1
b = distance of point from you = 1
s = distance from you to the boat.
----------------
ds/dt = * db/dt
ds/dt =
=~ 17.68 mi/hr
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