18.5 Length Contraction: Examples - World Science U

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18.5 Length Contraction: Examples

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Module 18: Length Contraction: Examples—Exercise 1a & 1b

Question 1 of 2

1. Question
If you travel to the planet Zaxtar, 100 million light years away as measured by astronomers on Earth, and you travel at $v = .8c$ , upon arrival how far will the ship's odometer indicate you have traveled?
- 1. 30 million light years
- 2. 60 million light years
- 3. 80 million light years
- 4. 166 million light years
Correct

Incorrect
Question 2 of 2

2. Question
If you travel to the planet Zaxtar, 100 million light years away as measured by astronomers on Earth, and upon arrival the ship's odometer indicates you traveled 80 million light years, how fast were you traveling?
- 1. $\frac{4}{10}c$
- 2. $\frac{3}{5}c$
- 3. $\frac{4}{5}c$
- 4. $\frac{9}{10}c$
Correct

Incorrect

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