One end of a 31 cm long aluminum rod with a diameter of 2.0 cm is kept at 460°C, and the other is immersed in water at 22°CCalculate the heat conduction rate along the rod._ Wthermal conductivity of aluminum 200 J (smC°)please show all work and answer in Wthanks!
Beverage containers; plastic, aluminum, glass, etcare remarkably safeAll are easily recycledI prefer plastic because its resealableUnfortunately plastic are a petroleum product(waste not want not) and with fuel prices these days.darned if you do, darned if you don't.
the aluminum your body absorbs is when your drinking a pop is like .000000000000000001% or something like that, not very much, but if your worried about getting Alzheimer's or something i would drink out of plastic bottles.
Eating or drinking from Aluminum vessels is not completely safeRemember the Romans and their lead glassesMany people are exposed to aluminum through soft-drink cansIt's said it can cause Alzheimer's diseaseBut that is wrongNone of that is trueKeep drinking!! (alcohol not recommended though :)
No to the first since the cans are pressure formedThere is no cutting so there almost a minimal chance of particlesA can straight out of a package has not been touched by human hands so drinking out of them is safeOut of a machine or store shelf is a different storyI've been drinking straight out of the can or bottle for more years than I care to remember and have never associated any problems with itNot scientific but it does a modicum of logic.
The equation for conductive heat transfer is H kA(Th - Tc)/L 200 W/m-oCπ(0.010m)^2(460 - 22)/0.31 88.8 W 89W (rounded to 2 digits)
