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?

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Advanced Physics
18
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
(b) Number
i
i
Units
Units
<>
Transcribed Image Text:Advanced Physics 18 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 (b) Number i i Units Units <>
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