用牛顿冷却定理做,谁会?有一杯水,现在95度,放在20度的房间里.然后在水70度的时候,冷却率在每分钟1度,问95到70度,花了多久.题目是英文版的.如下:A freshly brewed cup of coffee has temperature 95C in a 20
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![用牛顿冷却定理做,谁会?有一杯水,现在95度,放在20度的房间里.然后在水70度的时候,冷却率在每分钟1度,问95到70度,花了多久.题目是英文版的.如下:A freshly brewed cup of coffee has temperature 95C in a 20](/uploads/image/z/12658992-24-2.jpg?t=%E7%94%A8%E7%89%9B%E9%A1%BF%E5%86%B7%E5%8D%B4%E5%AE%9A%E7%90%86%E5%81%9A%2C%E8%B0%81%E4%BC%9A%3F%E6%9C%89%E4%B8%80%E6%9D%AF%E6%B0%B4%2C%E7%8E%B0%E5%9C%A895%E5%BA%A6%2C%E6%94%BE%E5%9C%A820%E5%BA%A6%E7%9A%84%E6%88%BF%E9%97%B4%E9%87%8C.%E7%84%B6%E5%90%8E%E5%9C%A8%E6%B0%B470%E5%BA%A6%E7%9A%84%E6%97%B6%E5%80%99%2C%E5%86%B7%E5%8D%B4%E7%8E%87%E5%9C%A8%E6%AF%8F%E5%88%86%E9%92%9F1%E5%BA%A6%2C%E9%97%AE95%E5%88%B070%E5%BA%A6%2C%E8%8A%B1%E4%BA%86%E5%A4%9A%E4%B9%85.%E9%A2%98%E7%9B%AE%E6%98%AF%E8%8B%B1%E6%96%87%E7%89%88%E7%9A%84.%E5%A6%82%E4%B8%8B%EF%BC%9AA+freshly+brewed+cup+of+coffee+has+temperature+95C+in+a+20)
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