Recent content by EqualsMC2

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    High School Question about the Lorentz factor

    Wow thank you!
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    High School Question about the Lorentz factor

    Brief intro: I'm awful at maths and really interested in physics. My friend asked me to solve a question but I can't seem to wrap my head around it... The question: If I'm listening to a song that lasts 5 minutes and 30 seconds and my twin brother travels to the moon and back while the song...