(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A space traveler takes off from Earth and moves at speed 0.81c toward the star Vega, which is 26 ly distant.

How much older will Earth observers calculate the traveler to be (according to her) when she reaches Vega than she was when she started the trip?

2. Relevant equations

t = t prime / sqr. root of (1 - v[tex]^{}2[/tex]/c[tex]^{}2[/tex])

the v and the c are supposed to be squared.

3. The attempt at a solution

I used the above equation to first find the time that has elapsed in earth, which came out to be 32.0988 years.

Then i used that same number and set it as my t so i can find the amount of time again, since they asked for the age the earth observers will see the traveler based on her age

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# Space traveler and time dilation

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