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Safari File Edit View History Bookmarks Window Help e D 37% Wed 3:12 PM Hunter Blake Q E Homework One MM ezto.mhe cloud. mcgraw-hill.com hm.tpx Reade EEEE Connect Zerg Net BuzzFeed YouTube Apple Stumble! Listverse News Pop The U d Learn Songselect Suunto Sierra Trading Post GoPro Poler Club W Watch Bey blade Episode 2 l English Dubbed Online Homework one A Classroom That Normally Contains 40 People Is I Cheg Homework One instructions l help submit assignment prev Question #7 (of 10 next save & exit 0.00 points 1 out of 3 attempts A 3-cm-diameter spherical ball whose surface is maintained at a temperature of 89°C is Assistance suspended in the middle of a room at 17°C. If the convection hea transfer coefficient is Check My Work 13 W/m C and the emissivity of the surface is 0.7, determine the total rate of heat transfer View Hint from the ball. View Question Print Question Help Report a Problem referencesExplanation / Answer
q_total = q_conv + q_rad
q_total = hc A dT + ? ? (Th4 - Tc4) Ac
= 13*2.83e-3*72+0.7*5.6703e-8*((273+89)^4-(273+17)^4)*2.83e-3
= 3.78 watts
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