A boat leaves a port traveling due east at 24 mi/hr. At the same time, another boat leaves the same port traveling northeast at 26 mi/hr. The angle 0 of the line between the boats is measured relative to due north (see the figure to the right). What is the rate of change of this angle 30 min after the boats leave the port? 4 hr after the boats leave the port? (Type an exact answer. Type any angle measures in radians.) The rate of change of this angle 30 min after the boats leave the port is (Round to the nearest thousandth as needed.) Let x be the distance from the port to the eastbound boat and let z be the distance from the port to the northeast bound boat. Write an equation relating x, z, and 0. The rate of change of this angle 4 hr after the boats leave the port is (Round to the nearest thousandth as needed.) (1) O 000 0 rad. Omi. rad hr mi hr (2) O mi. Orad. mi hr rad hr 000 0 (2) Port (1) 26 mi/h 24 mi/h

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