Navigation A boat leaves a port traveling due east at 12
Chapter 3, Problem 51(choose chapter or problem)
Navigation A boat leaves a port traveling due east at 12 mi>hr. At the same time, another boat leaves the same port traveling northeast at 15 mi>hr. The angle u of the line between the boats is measured relative to due north (see figure). What is the rate of change of this angle 30 min after the boats leave the port? 2 hr after the boats leave the port? 15 mi/h 12 mi/h Port N
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