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MMLU-Pro / 9701 / A copper bar is 8.0 ft long at 68°F and has a linear expansivity of 9.4 ×…

Problem

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question

A copper bar is 8.0 ft long at 68°F and has a linear expansivity of 9.4 × 10^\rule{1em}{1pt}6/F°, What is the increase in length of the bar when it is heated to 110°F?

category

physics

options

  1. 0.0032 ft
  2. 0.0064 ft
  3. 0.0035 ft
  4. 0.0028 ft
  5. 0.0050 ft
  6. 0.0015 ft
  7. 0.0048 ft
  8. 0.0021 ft
  9. 0.0038 ft
  10. 0.0042 ft

src

stemez-Physics

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