Home
Class 12
PHYSICS
Hot coffee is to be taken after 10 minut...

Hot coffee is to be taken after 10 minutes it is put into a cup. To obtain much hotness at the time of drinking, when should the cream be put into coffee–

Promotional Banner

Similar Questions

Explore conceptually related problems

Bacterial cell divides in every minute it takes one hour to fill up a cup. How much time be taken to fill half the cup

Bacterial cell divides in every minute it takes one hour to fill up a cup. How much time be taken to fill half the cup

Bacterial cell divides in every minute it takes one hour to fill up a cup. How much time be taken to fill half the cup

Bacterial cell divides in every minute it takes one hour to fill up a cup. How much time be taken to fill half the cup

Bacterial cell divides in every minute it takes one hour to fill up a cup. How much time be taken to fill half the cup

Bacterial cell divides in every minute it takes one hour to fill up a cup. How much time be taken to fill half the cup

Bacterial cell divides in every minute it takes one hour to fill up a cup. How much time be taken to fill half the cup

At 10.00 A.M. a woman took a cup of hot instant coffe from her microwave oven and placed it on a nearby Kitchen counter to cool. At this instant the temperature of the coffee was 180^(@)F , and 10 minutes later it was 160^(@)F . Assume that constant temperature of the kitchen was 70^(@)F . The woman likes to drink coffe when its temperature is between 130^(@)F and 140^(@)F . between what time should she have drunk the coffee?

In an experiment, a heated cup of coffee is removed from a heat source, and the cup of coffee is then left in a room that is kept at a constant temperature. The graph above shows the temperature, in degrees Fahrenheit (.^@F) , of the coffee immediately after being removed from the heat source and at 10-minute intervals thereafter. During which of the following 10-minute intervals does the temperature of the coffee decrease at the greatest average rate?

In an experiment, a heated cup of coffee is removed from a heat source, and the cup of coffee is then left in a room that is kept at a constant temperature. The graph above shows the temperature, in degrees Fahrenheit (.^@F) , of the coffee immediately after being removed from the heat source and at 10-minute intervals thereafter. Of the following, which best approximates the temperature, in degrees Fahrenheit, of the coffee when it is first removed from the heat source?