30.5 Cause and Effect: A Spacetime Invariant - World Science U

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30.5 Cause and Effect: A Spacetime Invariant

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Module 30: Cause and Effect: A Spacetime Invariant— Exercise 1a and 1b

Question 1 of 2

1. Question
In George's frame of reference, a bolt of lightning strikes at $(t_1,x_1) = (12,17)$ and, subsequently, an explosion happens at $(t_2,x_2) = (18,26)$ . George claims that the lightning caused the explosion, but Gracie disagrees. Could George be right? (Assume we are working in units with $c = 1$ ).
- 1. Yes
- 2. No
- 3. Not enough information to answer.
Correct

Incorrect
Question 2 of 2

2. Question
In George's frame of reference, a bolt of lightning strikes at $(t_1,x_1)=(12,17)$ and, subsequently, an explosion happens at $(t_2,x_2)=(21,25)$ . George claims that the lightning caused the explosion, but Gracie disagrees. Could George be right? (Assume we are working in units with $c=1$ ).
- 1. Yes
- 2. No
- 3. Not enough information to answer.
Correct

Incorrect

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