A person who can swim at 3 m/s wishes to swim straight across a river flowing at 2 m/s south. What heading should they swim at? How long will it take to cross the river if it is 56 m wide?
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If an airplane wishes to fly north east at 300 mph has a wind blowing from 300 degrees at 60 mph, what heading and velocity must they have to accomplish this?
thats another question that i have