Recent content by powerplayer

  1. P

    ((e^(i*pi))^x)-((e^(-i*pi))^x)=0? how?

    Ok I see now thx
  2. P

    ((e^(i*pi))^x)-((e^(-i*pi))^x)=0? how?

    Ok I know eulers but how does 1^x - (-1)^x = 0?
  3. P

    ((e^(i*pi))^x)-((e^(-i*pi))^x)=0? how?

    Can someone help explain this? Wolfram says it is zero but I don't know why?
  4. P

    Solving the Integral of sin(1-x)sinx

    nevermind i still did not get the right answer how do i use double angle on sin(1-x_ i thought it had to be in the form sin2x?
  5. P

    Solving the Integral of sin(1-x)sinx

    oh i think i see it i forgot to divide by the -1 each time i took the integral in the by parts
  6. P

    Solving the Integral of sin(1-x)sinx

    Homework Statement integral of sin(1-x)sinx dx Homework Equations The Attempt at a Solution so i did by parts once and got -sinxcos(1-x) - integral of -cos(1-x)cosx dx then i did by parts again and got -sinxcos(1-x) + cosxsin(1-x) - integral of -sin(1-x)sinx dx if you take...
  7. P

    Time dilation due to SR plus GR

    so that's a yes to the question above your last post?
  8. P

    Photon & Time: Is Movement Possible?

    this thread gave me an interesting thought, which is related to the topic. when we observe photons are we observing them with no time? so to try to make that clearer, the closer something gets to c the slower time for that thing appears to an observer in a rest frame, so wouldn't a photon...
  9. P

    Time dilation due to SR plus GR

    ok, well in all cases assume that the observer is at Earth and "you" (the traveler) are flying away from Earth to the massive object. so it seems that the schwarzschild metric describes total time dilation for both velocity and gravitational time dilation in these cases. is this a correct...
  10. P

    Time dilation due to SR plus GR

    So I've been trying to find an equation that will represent total time dilation. I've looked through a couple threads and it seems the consensus of the threads I've seen on the topic say that total time dilation is the product of time dilation due to velocity and gravity. But I'm not clear...
  11. P

    How do you calculate delta-T' for an observer traveling near a black hole?

    well the wiki did say that the orbit needs to be 3 times the schwarzschild radius? maybe this is why
  12. P

    How do you calculate delta-T' for an observer traveling near a black hole?

    τ is the proper time (time measured by a clock moving with the particle) in seconds, c is the speed of light in meters per second, t is the time coordinate (measured by a stationary clock at infinity) in seconds, r is the radial coordinate (circumference of a circle centered on the star...
  13. P

    How do you calculate delta-T' for an observer traveling near a black hole?

    So i found this thread in which the last post shows a formula for time dilation of an object in orbit around a BH, but does this formula also account for the time dilation due to velocity? https://www.physicsforums.com/showthread.php?t=348251"
  14. P

    How do you calculate delta-T' for an observer traveling near a black hole?

    I was wondering how you would calculate the delta-T'(would it be correct to word delta-T' as change in time change?) for this example: (this is not a HW question) observer A is at earth. observer B fly's 10 light years away at .5c to a non-rotating black hole 1 million times the mass of Earth's...
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