musa-a
musa-a
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The Distancc of the boat from the dock is S 6/S = Cos A where A is the angle that the rope makes with the ;boat S = 6/CosA 15 = 6/ Cos a and cos A = 6/15 - 0,4 Velocity of the Boat = Velocity of the Rope (Cos A) = 5 x 0.4 = 2 fps