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?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Motion In Two Dimensions
Section: Chapter Questions
Problem 16P: A firefighter, a distance d from a burning building, directs a stream of water from a fire hose at...
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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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