일반물리학 1 — Temperature, Heat, and the First Law of Thermodynamics: Problem 11

11 A 3.0 cm slab of ice has formed on an outdoor tank of water (Fig. 18-28). The air is at \(-14^\circ\text{C}\). Find the rate of ice formation (centimeters per hour). The ice has thermal conductivity \(0.0040 \text{ cal/s}\cdot\text{cm}\cdot^\circ\text{C}\) and density \(0.92 \text{ g/cm}^3\). Assume there is no energy transfer through the walls or bottom.