Thermal Expansion: a Rod Has a Length 2

question 102

Multiple Choice

Thermal expansion: A rod has a length 2.00000 m at 10.0°C. The length of the rod increases to 2.00060 m when the temperature increases to 30.0°C. What is the coefficient of linear expansion of the material from which the rod is made?

• A) 2.0 × 10^-5 K^-1
• B) 2.5 × 10^-5 K^-1
• C) 1.5 × 10^-5 K^-1
• D) 1.0 × 10^-3 K^-1
• E) 1.0 × 10^-5 K^-1

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