Mathematics, 29.05.2020 13:57 cocomelon
Aluminium coated dewars are cylindrical flasks used to safely store and transport liquid nitrogen, dry ice etc. A company manufactures such dewars of different sizes. Shown here are two dewars, both of the same height but of different diameters. How much aluminium will be required to cover Dewar A compared to that required for Dewar B? (Note: The base and the lid are NOT made up of aluminium.)
Answers: 2
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Aluminium coated dewars are cylindrical flasks used to safely store and transport liquid nitrogen, d...
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