250 m h Q2. (10 marks) A piece of metal of a long bridge is broken in two pieces of equal length when heated by 20°C. Wh

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250 M H Q2 10 Marks A Piece Of Metal Of A Long Bridge Is Broken In Two Pieces Of Equal Length When Heated By 20 C Wh 1 (76.29 KiB) Viewed 45 times

250 m h Q2. (10 marks) A piece of metal of a long bridge is broken in two pieces of equal length when heated by 20°C. When the pieces bend, they rise h = 2.74 m (Fig. 2). The coefficient of linear expansion of this metal is 12 x 10-6 (°C)?. Find the initial length of this piece of metal. Fig. 2