ISRO Scientist or Engineer Mechanical 2010 Question 3

Question 3

A wire is plastically deformed bent by supplying a force of 40 N over a distance of 0.8 m. (The force moves in the direction in which the distance is measured). If the wire has a mass of 0.2 kg and a specific heat of $$0.5 kJ/kg.^\circ C$$ estimate the maximum increase in the average temperature of the wire

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