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How long does it take the Sun to melt a block of ice at 0∘C with a flat horizontal area 1.0 m2 and thickness 2.0 cm ? Assume that the Sun's rays make an angle of 30 ∘ with the vertical and that the emissivity
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How long does it take the Sun to melt a block of ice at 0∘C with a flat horizontal area 1.0 m2 and thickness 2.0 cm ? Assume that the Sun's rays make an angle of 30 ∘ with the vertical and that the emissivity of ice is 0.050.

User Iiridayn
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The answer is c don't ask why it just is
User Max Malysh
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