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A solid cylinder of radius r₁ = 2.2 cm, length h₁ = 5.3 cm, emissivity 0.80, and temperature 36°C is suspended in an environment of temperature 64°C. (a) What is the cylinder's net thermal radiation transfer rate P₁? (b) If the cylinder is stretched until its radius is r2 = 0.59 cm, its net thermal radiation transfer rate becomes P2. What is the ratio P₂/P1? (a) Number i (b) Number i Units Units ✪ ✪

A solid cylinder of radius r₁ = 2.2 cm, length h₁ = 5.3 cm, emissivity 0.80, and temperature 36°C is suspended in an environment of temperature 64°C. (a) What is the cylinder's net thermal radiation transfer rate P₁? (b) If the cylinder is stretched until its radius is r2 = 0.59 cm, its net thermal radiation transfer rate becomes P2. What is the ratio P₂/P1? (a) Number i (b) Number i Units Units ✪ ✪

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A solid cylinder of radius r₁ = 2.2 cm, length h₁ 5.3 cm, emissivity 0.80, and temperature 36°C is suspended in an environment of temperature 64°C. (a) What is the cylinder's net thermal radiation transfer rate P₁? (b) If the cylinder is stretched until its radius is r2 = 0.59 cm, its net thermal radiation transfer rate becomes P₂. What is the ratio P2/P1? (a) Number i (b) Number i Units Units î
Transcribed Image Text:A solid cylinder of radius r₁ = 2.2 cm, length h₁ 5.3 cm, emissivity 0.80, and temperature 36°C is suspended in an environment of temperature 64°C. (a) What is the cylinder's net thermal radiation transfer rate P₁? (b) If the cylinder is stretched until its radius is r2 = 0.59 cm, its net thermal radiation transfer rate becomes P₂. What is the ratio P2/P1? (a) Number i (b) Number i Units Units î
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