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250 m 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
Posted: Mon Nov 15, 2021 4:11 pm
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- 250 M 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 1 (41.65 KiB) Viewed 59 times
250 m 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 106 (°C)'. Find the initial length of this piece of metal. Fig. 2 PLP