AP Physics 2 Quiz
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THERMODYNAMICS
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A 2.0 kg2.0\,\text{kg} granite slab at 35∘C35^\circ\text{C} is pressed against a 2.0 kg2.0\,\text{kg} wooden board at 15∘C15^\circ\text{C} with no air gap, and the pair is insulated from the surroundings. After a long time, they reach equilibrium. Which statement best describes the thermal energy flow?
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