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Gaokao Physics Practice Question

夜间由于气温降低,汽车轮胎内的气体压强变低。与白天相比,夜间轮胎内的气体( )

  1. A.分子的平均动能更小
  2. B.单位体积内分子的个数更少
  3. C.所有分子的运动速率都更小
  4. D.分子对轮胎内壁单位面积的平均作用力更大

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