College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:**Educational Content:**
**Nearest Star Details:**
- The nearest star to Earth is Proxima Centauri, located 4.2 light-years away.
**Problem:**
- Calculate the velocity and time for a spacecraft journey to Proxima Centauri.
**Part A: Velocity Calculation**
- **Question:** At what constant velocity must a spacecraft travel from Earth if it is to reach the star in 3.6 years, as measured by travelers on the spacecraft?
**Answer Attempt:**
- Entered value: 0.805 c (where c is the speed of light)
- Result: Incorrect
- Remaining attempts: 2
**Part B: Time Calculation**
- **Question:** How long does the trip take according to Earth observers?
**Answer Attempt:**
- Entered value: 5.2 years
- Result: Incorrect
- Remaining attempts: 4
**Instructions:**
- Express your answers using two significant figures.
- Use the "Submit" button to check your answers.
- If incorrect, try again and note the remaining attempts.
This exercise involves understanding relativistic physics, where the travel time and observed speed can differ due to relativistic effects. Calculation accuracy is critical, and incorrect submissions show how many attempts are left for each question.
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