Locate elongation steel wire with diameter d = 1 mm and a length of 7 m, if it is stretched under the action of a mass of 10 kg. Young´s modulus of steel E = 200 GPa.
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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14.04.2015 7:39:39
Пожалуйста пишите по разборчивее, некоторые величины в формулах и подчерк не очень разборчивы.