Steel has a young's modulus of 200 gpa and poisson's ratio of 0.3. having a diameter of 1.1390 mm and a length of 514.1 mm is deformed plastically by a process known as wire-drawing. the diameter of the deformed wire is 0.6900 mm what is the length of the deformed wire? a steel wire (a) 700.2 mm (b) 802.7 mm (c) 1100.5 mm (d) 1400.9 mm

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chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. these processes are called chemical reactions and, in general, are not reversible except by further chemical reactions. some reactions produce heat and are called exothermic reactions and others may require heat to enable the reaction to occur, which are called endothermic reactions. understanding chemical changes is a major part of the science of chemistry.