How long does it take the Sun to melt a block of ice at 0∘C with a flat horizontal
June 8th, 2024
How long does it take the Sun to melt a block of ice at 0∘C with a flat horizontal area 1.0 m2and thickness 1.3 cm? Assume that the Sun’s rays make an angle of 39 ∘ with the vertical and that the emissivity of ice is 0.050.