250 m Q2. (10 marks) A piece of metal of a long bridge has initial length 250 m. It is broken in two pieces of equal len
Posted: Mon Nov 15, 2021 4:07 pm
250 m Q2. (10 marks) A piece of metal of a long bridge has initial length 250 m. It is broken in two pieces of equal length when heated by 20°C (Fig. 2). The coefficient of linear expansion of this metal is 12 x 10° (°C). Compute the height h to which the pieces rise when they bend. X Fig. 2