Math Problem Statement
- Sebuah pulau berada 1 km di utara dari suatu titik di pantai. Seorang pengunjung berada di kabin di pantai yang berada 2 km sebelah barat titik tersebut. Pengunjung tersebut ingin pergi ke pulau tersebut. Misalkan ia dapat berlari dengan laju 20 km/jam dan berenang dengan laju 10 km/jam. Berapa jauh ia harus berlari sebelum berenang untuk meminimumkan waktu mencapai pulau tersebut?
Solution
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Math Problem Analysis
Mathematical Concepts
Optimization
Calculus
Geometry
Pythagorean Theorem
Formulas
t_total(x) = (x / 20) + (sqrt((2 - x)^2 + 1) / 10)
Theorems
Pythagorean Theorem
Suitable Grade Level
Undergraduate
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