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Two rods are precisely 10.000 cm long. Rod 1 is made of aluminum, with a coefficient of linear expansion α= 24 ×10-6/K. Rod 2 is made of steel, and has α= 12 ×10-6/K. Rod 1 is heated by 10°C while rod 2 is heated by 20°C. After heating, which rod is longer? A.Rod 1B.Rod 2C.Both rods have the same length
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