Math Problem Statement
Two ships are steaming straight away from a point O along routes that make a 150-degree angle. Ship A moves at 5 knots (nautical miles per hour). Ship B moves at 14 knots. How fast are the ships moving apart when ship A is 12 nautical miles away from point O and ship B is 15 nautical miles away from point O?
Ships are moving apart at_______knots
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Related Rates
Law of Cosines
Formulas
d^2 = A^2 + B^2 - 2AB * cos(θ)
dd/dt (rate of change of distance between ships)
Theorems
Law of Cosines
Suitable Grade Level
Grades 11-12 or early college
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