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A 1.0-m-long section of iron railroad gets warmed by the Sun from 25°C to 40°C. The coefficient of thermal linear expansion for iron is 1.2 × 10-5°C−1. How much did the length of the iron rail change?

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A 1.0-m-long section of iron railroad gets warmed by the Sun from 25°C to 40°C. The coefficient of thermal linear expansion for iron is 1.2 × 10-5°C−1. How much did the length of the iron rail change?






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