Thermal physics 2 a) Describe the 3 processes of heat transfer, giving an example of each. (3 marks) b) A metal rod of l

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Thermal physics 2 a) Describe the 3 processes of heat transfer, giving an example of each. (3 marks) b) A metal rod of l

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Thermal Physics 2 A Describe The 3 Processes Of Heat Transfer Giving An Example Of Each 3 Marks B A Metal Rod Of L 1
Thermal Physics 2 A Describe The 3 Processes Of Heat Transfer Giving An Example Of Each 3 Marks B A Metal Rod Of L 1 (37.65 KiB) Viewed 31 times
Thermal physics 2 a) Describe the 3 processes of heat transfer, giving an example of each. (3 marks) b) A metal rod of length 2m and cross-sectional area 0.4 m2 is heated at one end. The heat current along the rod is 200 W and the thermal conductivity of the metal is 150 Wm-K-7. Find the temperature difference between the two ends of the rod. (2 marks) c) A human skin has surface area of around 1.2m2 and surface temperature of 29° C. Calculate the radiated power from this person when the surrounding temperature is 15°C. Assume e=0.9 and o= 5.67x10 -8 W/(m²K4) (3 marks)
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