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# special relativity problem

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1. Hi, im just wondering if anyone could help me with the following problem, for the length in the trains interval i got 80m, its just the next parts that im struggling with
2. i've managed to do the first two parts of b, im just unsure where to go with iii and iv, the lorentz factor i calculated was 1.25 any help would be appreciated
3. The first part, B I) can be thought of by asking a rather simple question.
What is the airspeed velocity of an unladen swallow?
Spoiler:
Show
24 miles per hour or 11 meters per second
4. (Original post by Marcus2016)
The first part, B I) can be thought of by asking a rather simple question.
What is the airspeed velocity of an unladen swallow?
Spoiler:
Show
24 miles per hour or 11 meters per second
haha

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