A boat is aimed at the opposite shore of a 318.38 m wide river and rowed at a speed of 5.61 m/s relative to the water. The current in the river is at a right angle to the velocity of the boat relative to the water. The current in the river is at 2.87 m/s. The boaters want to go straight across the river. If we take the current direction to be the plus - x direction, what angle (from the +x axis) must the boat be aimed at to accomplish this?

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Projectile Motion