a. V = 3 + 5i = 5.83km/h[59o].
b. d = 3km/h * 0.5h = 1.5 km.
c. Width = 5km/h * 0.5h = 2.5 km.
A boat is heading directly North acroos a river at 5km\h. The river is flowing east at 3km\h.
a) what is the actual velocity of the boat?
b) how far down stream does it land if the trip takes 0.5 hrs.
c) how wide is the river?
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