Math Problem Statement
Jari-jari dan tinggi ice cream yang berbentuk silinder, ketika dibiarkan di tempat terbuka, masing-masing berkurang dengan kecepatan 0,02 cm/detik. Berapa lama waktu (t) yang dibutuhkan ice cream tersebut untuk menjadi air bila jari-jari (r) dan tinggi (h) mula-mula dari ice cream, berturut turut adalah 2 cm dan 5 cm ? t= v/(dv/dt)
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Calculus
Rate of Change
Volume of a Cylinder
Formulas
Volume of cylinder: V = πr^2h
Rate of change of radius and height: dr/dt = dh/dt = -0.02 cm/s
Rate of volume change: dV/dt = π(-0.04rh - 0.02r^2)
Time to melt: t = V / (dV/dt)
Theorems
Chain Rule in Calculus
Suitable Grade Level
Grades 10-12
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