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A steel is 40 cm long at 20 o C. Coefficient of linear expansion for steel is 12 x 10 -6 (C o ) -1 . The increase in length and the final length when it is at 70 o C will be... Known : The change in temperature (T) = 70 o C – 20 o C = 50 o C The original length (L 1 ) = 40 cm Coefficient of linear expansion for steel (= 12 x 10 -6 (C o ) -1 Wanted : The change in length (L) and the final length (L 2 ) Solution :

Author
Basic Physics
Language
EN