Physics, 21.11.2019 18:31 alexisgilford
Acylindrical casting has a diameter of 300 mm and a length of 1 m. another casting of the same metal is rectangular in cross-section, with a width-to-thickness ratio of 3, and has the same length and cross-sectional area as the round casting. both pieces are cast under the same conditions. the cylindrical casting solidifies in three minutes. how long does the rectangular crosssection casting take to solidify?
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Acylindrical casting has a diameter of 300 mm and a length of 1 m. another casting of the same metal...
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