Collision Course Auseful rule of thumb in boating is that
Chapter 4, Problem 80(choose chapter or problem)
Collision Course Auseful rule of thumb in boating is that if the heading from your boat to a second boat remains constant, the two boats are on a collision course. Consider the two boats shown in Figure 423. At time , boat 1 is at the location (X, 0) and moving in the positive ydirection; boat 2 is at (0, Y) and moving in the positive xdirection. The speed of boat 1 is . (a)What speed must boat 2 have if the boats are to collide at the point (X, Y)? (b) Assuming boat 2 has the speed found in part (a), calculate the displacement from boat 1 to boat 2, . (c) Use your results from part (b) to show that , independent of time. This shows that maintains a constant direction until the collision, as specied in the rule of thumb.
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