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1. A man in a speed boat, top speed, 15m/s, is crossing a river, 1000m wide, flowing East at 2m/s. The man steers the boat so as to reach a point 150m upstream on the opposite bank. What angle, WthetaN should he steer at? How long does the crossing take?
2. (Velocityx-2)(T)=-150 Velocity(T)=1000
3. (-15cosθ-2)T=150 15sinθ(T)=1000
T=1000/15sinθ
2. (Velocityx-2)(T)=-150 Velocity(T)=1000
3. (-15cosθ-2)T=150 15sinθ(T)=1000
T=1000/15sinθ