7. Two objects of differing temperatures are held so that they are in thermal contact with each other. Which situation best describes the scenarlo? O hot object transfers heat to cold object/cold object heats up/heat transferred vla convection hot object transfers heat to cold object/cold object cools down/heat transferred vla conduction hot object transfers heat to cold object/cold object heats up/heat transferred vla conduction cold object transfers heat to hot object/cold object heats up/heat transferred via conduction

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Chapter1: Units, Trigonometry. And Vectors
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Two objects of differing temperatures are held so that they are in thermal contact with each other. Which situation best describes the scenario?

### Question on Thermal Conduct

**Question:**
Two objects of differing temperatures are held so that they are in thermal contact with each other. Which situation best describes the scenario?

**Answer Choices:**

1. **hot object transfers heat to cold object/cold object heats up/heat transferred via convection**
2. **hot object transfers heat to cold object/cold object cools down/heat transferred via conduction**
3. **hot object transfers heat to cold object/cold object heats up/heat transferred via conduction**
4. **cold object transfers heat to hot object/cold object heats up/heat transferred via conduction**

**Explanation:**
This question is focusing on the transfer of heat between two objects at different temperatures. The key concepts here are conduction and convection. In the context provided:

- **Convection** typically refers to the heat transfer in fluids (gases or liquids), where warmer areas of a liquid or gas move to cooler areas.
- **Conduction** refers to the heat transfer through direct contact between solid objects, where heat moves from the warmer object to the cooler one.

Analyzing each answer choice:
- **Choice 1** is incorrect because it describes heat transfer via convection, which is not applicable to solid objects in direct thermal contact.
- **Choice 2** is partially correct, but it incorrectly states that the cold object cools down.
- **Choice 3** is correct because it accurately describes that the heat from the hot object transfers to the cold object, causing the cold object to heat up, and the mechanism of transfer is conduction.
- **Choice 4** is incorrect because it suggests that the cold object transfers heat to the hot object, which contradicts the natural flow of heat energy (from hot to cold).

Therefore, the correct answer is:
3. **hot object transfers heat to cold object/cold object heats up/heat transferred via conduction**

---

Note: This question involves understanding the basic principles of heat transfer, an essential topic in physics and thermodynamics related to temperature change and energy flow.
Transcribed Image Text:### Question on Thermal Conduct **Question:** Two objects of differing temperatures are held so that they are in thermal contact with each other. Which situation best describes the scenario? **Answer Choices:** 1. **hot object transfers heat to cold object/cold object heats up/heat transferred via convection** 2. **hot object transfers heat to cold object/cold object cools down/heat transferred via conduction** 3. **hot object transfers heat to cold object/cold object heats up/heat transferred via conduction** 4. **cold object transfers heat to hot object/cold object heats up/heat transferred via conduction** **Explanation:** This question is focusing on the transfer of heat between two objects at different temperatures. The key concepts here are conduction and convection. In the context provided: - **Convection** typically refers to the heat transfer in fluids (gases or liquids), where warmer areas of a liquid or gas move to cooler areas. - **Conduction** refers to the heat transfer through direct contact between solid objects, where heat moves from the warmer object to the cooler one. Analyzing each answer choice: - **Choice 1** is incorrect because it describes heat transfer via convection, which is not applicable to solid objects in direct thermal contact. - **Choice 2** is partially correct, but it incorrectly states that the cold object cools down. - **Choice 3** is correct because it accurately describes that the heat from the hot object transfers to the cold object, causing the cold object to heat up, and the mechanism of transfer is conduction. - **Choice 4** is incorrect because it suggests that the cold object transfers heat to the hot object, which contradicts the natural flow of heat energy (from hot to cold). Therefore, the correct answer is: 3. **hot object transfers heat to cold object/cold object heats up/heat transferred via conduction** --- Note: This question involves understanding the basic principles of heat transfer, an essential topic in physics and thermodynamics related to temperature change and energy flow.
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