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Q: Consider a liquid metal (Pr < 1)="" with="" free="" stream="" conditions="" u8="" and="" t8,="" in="" parallel="" flow="" over="" an="" isothermal="" flat="" plate="" at="" ts-="" assuming="" that="" u="U" throughout="" the="" thermal="" boundary="" layer,="" write="" the="" corresponding="" form="" of="" the="" boundary="" layer="" energy="" equation.="" applying="" appropriate="" initial="" (x="0)" and="" boundary="" conditions,="" solve="" this="" equation="" for="" the="" boundary="" layer="" temperature="" field,="" t(x,="" y).="" use="" the="" result="" to="" obtain="" an="" expression="" for="" the="" local="" nusselt="" number="" nux.="">