Recent content by RandomName

  1. R

    Special Relativity: Multiple FoR

    So, I forgot the light-second units on my answers, which would make them go down to 20 seconds and 25 seconds, but I can't seem edit my post again. Anyways, I think its all actually correct, but my second answer is in fact the time as measured by the train in the trains FoR. So, the train...
  2. R

    Special Relativity: Multiple FoR

    Homework Statement A train of length 15 cs* moves at speed 3c/5. 39 How much time does it take to pass a person standing on the ground (as measured by that person)? Solve this by working in the frame of the person, and then again by working in the frame of the train. *cs stands for...
  3. R

    Which is the correct answer for 48÷2(9+3): 2 or 288?

    288. I disagree, never have I heard that implied multiplation is of higher precedence.
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