Recent content by casualreader

  1. C

    Time dilation, reference frames

    Okay, thanks for the input bobc2. Well I didn't see that the wording specified either Mavis's or Stanley's frame. Is it because the question starts with Mavis?; so would "What does Stanley read on his timer at the instant when Mavis reads .400s on her timer?" be the way of implying "in Stanley's...
  2. C

    Time dilation, reference frames

    Thanks a bunch, ghwellsjr, much appreciated. I wasn't sure if I was going to be reassured or if I was somehow wrong. Definitely reassured.
  3. C

    Time dilation, reference frames

    Hi, Basic question. I'm confused by a time dilation example (37.3 in Young and Freedman 11th ed.). Mavis is moving at .600c relative to earth-bound Stanley, and at the instant she passes, both start timers. Part b asks "At the instant when Mavis reads .400 s on her timer, what does Stanley...
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