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一道英文的微积分题目?If a cup of tea has temperature 980C in a room wh
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一道英文的微积分题目?
If a cup of tea has temperature 980C in a room where the temperature is C,then according to Newton's Law of Cooling the temperature of the tea after t minutes is,T(t) = 18 + 80e^(-t/50)
(a) What is the average temperature of the tea during the first 25 minutes?
(b) At what time does the tea reach the average temperature that you found in (a)?
温度一个是98度，一个是18度
一道英文的微积分题目?
If a cup of tea has temperature 980C in a room where the temperature is C,then according to Newton's Law of Cooling the temperature of the tea after t minutes is,T(t) = 18 + 80e^(-t/50)
(a) What is the average temperature of the tea during the first 25 minutes?
(b) At what time does the tea reach the average temperature that you found in (a)?
温度一个是98度，一个是18度
If a cup of tea has temperature 980C in a room where the temperature is C,then according to Newton's Law of Cooling the temperature of the tea after t minutes is,T(t) = 18 + 80e^(-t/50)
(a) What is the average temperature of the tea during the first 25 minutes?
(b) At what time does the tea reach the average temperature that you found in (a)?
温度一个是98度，一个是18度
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