Andrea, whose mass is 49 kg , thinks she's sitting at rest in her 4.0 m -long dorm room as she does her physics homework. You may want to review (Pages 1132 - 1134) Part A Can Andrea be sure she's at rest? O No, she cannot. O Yes, she can. Submit Previous Answers v Correct Here we learn how apply the Heisenberg uncertainty principle to macroscopic objects. Part B If not, within what range is her velocity likely to be? Express your answer to two significant figures and include the appropriate units. xa X X•10" |ualS1.7• 10-36

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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**Physics Homework Example: Understanding the Heisenberg Uncertainty Principle for Macroscopic Objects**

**Context:**
Andrea, whose mass is 49 kg, believes she is sitting at rest in her 4.0 m-long dorm room while doing her physics homework. For additional review, you may want to check Pages 1132 - 1134.

**Part A:**
- **Question:** Can Andrea be sure she's at rest?
  - Options:
    - No, she cannot.
    - Yes, she can.

- **Response:** 
  - Correct answer selected: No, she cannot.
  - Explanation provided: Here we learn how to apply the Heisenberg uncertainty principle to macroscopic objects.

**Part B:**
- **Question:** If not, within what range is her velocity likely to be?
  - Instruction: Express your answer to two significant figures and include the appropriate units.

- **Answer Attempt:**
  - The student input value: \( |v_x| \leq 1.7 \times 10^{-36} \, \text{m/s} \)

- **Feedback:**
  - Incorrect; try again. The student has 5 attempts remaining. 

**Note:**
This exercise highlights the conceptual application of the Heisenberg uncertainty principle, suggesting that it implies a fundamental limit to the precision with which we can know both the position and momentum of macroscopic objects simultaneously, albeit the effects are negligible at such scales.
Transcribed Image Text:**Physics Homework Example: Understanding the Heisenberg Uncertainty Principle for Macroscopic Objects** **Context:** Andrea, whose mass is 49 kg, believes she is sitting at rest in her 4.0 m-long dorm room while doing her physics homework. For additional review, you may want to check Pages 1132 - 1134. **Part A:** - **Question:** Can Andrea be sure she's at rest? - Options: - No, she cannot. - Yes, she can. - **Response:** - Correct answer selected: No, she cannot. - Explanation provided: Here we learn how to apply the Heisenberg uncertainty principle to macroscopic objects. **Part B:** - **Question:** If not, within what range is her velocity likely to be? - Instruction: Express your answer to two significant figures and include the appropriate units. - **Answer Attempt:** - The student input value: \( |v_x| \leq 1.7 \times 10^{-36} \, \text{m/s} \) - **Feedback:** - Incorrect; try again. The student has 5 attempts remaining. **Note:** This exercise highlights the conceptual application of the Heisenberg uncertainty principle, suggesting that it implies a fundamental limit to the precision with which we can know both the position and momentum of macroscopic objects simultaneously, albeit the effects are negligible at such scales.
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