Solved: At 4 p.m., a hot coal was pulled out of a furnace and allowed to cool at room
Chapter 1, Problem 28(choose chapter or problem)
At 4 p.m., a hot coal was pulled out of a furnace and allowed to cool at room temperature (75F). If, after 10 minutes, the temperature of the coal was 415F, and after 20 minutes, its temperature was 347F, find the following: (a) The temperature of the furnace. (b) The time when the temperature of the coal was 100F.per minute. Find the initial temperature of the objectand the rate at which its temperature is changing after10 minutes.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer