A solid cylinder of radius r1 = 2.4 cm, length h1 = 5.9 cm, emissivity 0.72,...

A solid cylinder of radius r1 = 2.4 cm, length h1 = 5.9 cm, emissivity 0.72, and temperature 22°C is suspended in an environment of temperature 50°C. (a) What is the cylinder's net thermal radiation transfer rate P1? (b) If the cylinder is stretched until its radius is r2 = 0.55 cm, its net thermal radiation transfer rate becomes P2. What is the ratio P2/P1?

(a) Number Enter your answer for part (a) in accordance to the question statement Units Choose the answer for part (a) from the menu in accordance to the question statement

(b) Number Enter your answer for part (b) in accordance to the question statement Units Choose the answer for part (b) from the menu in accordance to the question statement

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genius_generous answered 2 years ago

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