Which of these actions would decrease heat transfer between two objects?

Question

Which of these actions would decrease heat transfer between two objects? increasing the temperature of the warmer object increasing the area of their contact reducing the thermal energy of the cooler object reducing the time of their contact

Prof. Aniya Fahey · Accepted Answer

Reducing the time of contact between the two objects will decrease the heat transfer between them.Explanation:increasing the temperature of the warmer object will raise its own temperature and hence the heat transfer will increase.increasing the area of contact will also increase the heat transfer because the rate of transfer will increase and the loss to surrounding will decrease.reducing the thermal energy of the cooler object will decrease its own temperature and this will increase the heat transfer to reach the equilibrium temperature.reducing the time of contact between the two objects will decrease the amount of heat transferred between the two objects according to the time that will be in contact.

Prof. Aniya Fahey · Answer

the answer is d you guys and girls i just took it on the test

Prof. Aniya Fahey · Answer

no theres only one correct answer and its D

Prof. Aniya Fahey · Answer

The correct options areincreasing the area of their contactreducing the time of their contactExplanation:When two objects are in contact with one another, heat is transferred from the hotter object to the cooler object which is called convection and this process Â depends upon certain factors like the amount of temperature and the time of contact. When the area between two objects is increased the medium carry less amount of heat to the second object and most of the heat is lost in the way, Similarly when the time of contact is reduced then the same phenomenon occurs again and most of the energy is lost in air.

Zetta Hackett

Which of these actions would decrease heat transfer between two objects?

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