Answered

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Heat and Temperature: Mastery Test

Select the correct answer.

Given the law of conservation of energy, what happens when a 200°C iron bar is placed in thermal contact with a 30°C block of wood?

A. Energy leaves the iron bar and enters the wood until the temperatures are equal.
B. Energy leaves the wood and enters the iron bar until the temperatures are equal.
C. All the energy from the iron bar is transferred to the wood.
D. All the energy from the wood is transferred to the iron bar.

Sagot :

GinnyAnswer

Final answer:

Heat flows from hot iron to cool wood to reach thermal equilibrium.


Explanation:

When a 200°C iron bar is placed in thermal contact with a 30°C block of wood, energy leaves the iron bar and enters the wood until the temperatures are equal. According to the law of conservation of energy, heat flows from the hotter object (iron bar) to the cooler object (wood) until thermal equilibrium is reached. This transfer of energy is a demonstration of the concept of heat flowing from high temperature to low temperature.


Learn more about Heat Transfer Law here:

https://brainly.com/question/51208162


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