Question: A thermometer reading 72F is placed in a refrigerator where the temperature is a constant 38F. (a) If the thermometer reads 60F after 2 minutes,

A thermometer reading 72°F is placed in a refrigerator where the temperature is a constant 38°F.

(a) If the thermometer reads 60°F after 2 minutes, what will it read after 7 minutes?

(b) How long will it take before the thermometer reads 39°F?

(c) Determine the time needed to elapse before the thermometer reads 45°F.

(d) What do you notice about the temperature as time passes?

Step by Step Solution

3.27 Rating (171 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

a Using u T u 0 Te kt with t 2 T 38 u 0 72 and u 60 After 7 minutes the thermometer will ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Precalculus Questions!