Solution Found!
A cold beer initially at 35ºF warms up to 40ºF in 3 min
Chapter 3, Problem 2E(choose chapter or problem)
QUESTION:
Problem 2E
Problem
A cold beer initially at 35ºF warms up to 40ºF in 3 min while sitting in a room of temperature 70ºF. How warm will the beer be if left out for 20 min?
Questions & Answers
QUESTION:
Problem 2E
Problem
A cold beer initially at 35ºF warms up to 40ºF in 3 min while sitting in a room of temperature 70ºF. How warm will the beer be if left out for 20 min?
ANSWER:
SOLUTION
Step 1
Let T denotes the temperature of the object, denotes the object’s original temperature,
is the temperature of the surroundings.
Then we have a formula
…………….( 1 )