2. A pitcher of buttermilk initially at 25°C is to be cooled by placing it on the front porch where the temperature is 2°C. The temperature of the buttermilk drops to 15°C after 30 minutes. (Newton's Law of Cooling) a) Find the complete model. T(t) = A +cekt b) How long will it take for the buttermilk to reach a temperature of 7°C? (Round to the tenths place.)
2. A pitcher of buttermilk initially at 25°C is to be cooled by placing it on the front porch where the temperature is 2°C. The temperature of the buttermilk drops to 15°C after 30 minutes. (Newton's Law of Cooling) a) Find the complete model. T(t) = A +cekt b) How long will it take for the buttermilk to reach a temperature of 7°C? (Round to the tenths place.)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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state answers using correct units
Transcribed Image Text:2. A pitcher of buttermilk initially at 25°C is to be cooled by placing it
on the front porch where the temperature is 2°C. The temperature of
the buttermilk drops to 15°C after 30 minutes. (Newton's Law of Cooling)
a) Find the complete model. T(t) = A +cekt
b) How long will it take for the buttermilk to reach a temperature
of 7°C? (Round to the tenths place.)
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