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A sea diver's suit has a thickness of 5 mm and is made of a material with thermal conductivity of 0.05 W/mK. If the diver's skin is 33°C and the water temperature is 5°C and the heat transfer coefficient between the water and the diver is 50 W/m2 K.
a. How much heat does the diver lose per unit surface area?
b. What is the outer temperature of the suit?
c. If the diver wants to cut his heat loss per unit surface area into half, what should the thickness of his suit be?
Two concentric hollow metal spheres have radii r1=1.50E-2 m and and r2=6.80E-2 m. At a point 9.80E-2 m from the center of the spheres, the electric field is directed outward and has a magnitude 2.08E+2 N/C. At a distance 5.80E-2 m from the center,..
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A small ball of mass 0.60 kg is attached to one end of a 1.15 m long massless rod, and the other end of the rod is hung from a pivot
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