c) A hard-boiled egg at 98°C is put under a constant temperature 18°C running water to cool. After 5 minutes, the egg's temperature is found to be at 38°C. Calculate the time taken for the egg's temperature to reach 20°C. [Hint: Use Newton's Law of Cooling]

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Chapter6: Exponential And Logarithmic Functions
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c) A hard-boiled egg at 98°C is put under a constant temperature 18°C running water to
cool. After 5 minutes, the egg's temperature is found to be at 38°C. Calculate the time
taken for the egg's temperature to reach 20°C.
[Hint: Use Newton's Law of Cooling]
Transcribed Image Text:c) A hard-boiled egg at 98°C is put under a constant temperature 18°C running water to cool. After 5 minutes, the egg's temperature is found to be at 38°C. Calculate the time taken for the egg's temperature to reach 20°C. [Hint: Use Newton's Law of Cooling]
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