Question: Bob is an engineering student who has designed a bridge made completely out of steel. The bridge is 985 m long at the lowest recorded

Bob is an engineering student who has designed a bridge made completely out of steel. The bridge is 985 m long at the lowest recorded temperature in the area T = -45 C. Bob knows that the coefficient of linear expansion for steel is = 12 x 10-6 C-1. If the highest recorded temperature in the area is T = 43 C, how much should Bob expect the bridge to expand?

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