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
Algebra ->
Customizable Word Problem Solvers
-> Travel
-> 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
Log On
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
