Problem

A red wine is brought up from the wine cellar, which is a cool 10ºC, and left to breathe in a room of temperature 23ºC. If it takes 10 min for the wine to reach 15ºC, when will the temperature of the wine reach 18ºC?

Solution :

Step 1 :

In this problem we have to calculate the time taken to reach the wine at ..

Solve the given problem we have to use the following formula

………..(1)

Where T(t) denotes the temperature of the object after time t.

is the object original temperature.

is the temperature of surrounding.