GeneralDadmission Posted February 5, 2015 Share Posted February 5, 2015 On average, how much younger than the average person would people who have made the following career choices be, by the time they retire? Fighter/test pilot Formula1 driver Top Fueler driver Link to comment Share on other sites More sharing options...
imatfaal Posted February 5, 2015 Share Posted February 5, 2015 A fighter pilot / test pilot would probably be in the order of minus 10^2 nanoseconds - 10-7seconds a day if she flew eastward and plus something of the same order if she flew westward. So a career of constant flying might get the differential up to 10-2 seconds . All very rough and ready. Remember to go fast the pilot will have to go high - and the higher gravitational potential will mean she is fast-ticking compared to the ground - counteracting the relative velocity which would make her slow-ticking compared to the ground. The others not nearly enough to measure Link to comment Share on other sites More sharing options...
GeneralDadmission Posted February 5, 2015 Author Share Posted February 5, 2015 (edited) The others not nearly enough to measure So just acceleration won't produce time dilation? Edited February 5, 2015 by GeneralDadmission Link to comment Share on other sites More sharing options...
swansont Posted February 5, 2015 Share Posted February 5, 2015 So just acceleration won't produce time dilation? It's the speed, and the duration of the motion, that gives you the difference in elapsed time. 1 Link to comment Share on other sites More sharing options...
xyzt Posted February 5, 2015 Share Posted February 5, 2015 So just acceleration won't produce time dilation? 1. It is not "time dilation", it is "total accumulated proper time". 2. Acceleration does not affect the "total accumulated proper time" directly, speed does. See the "clock hypothesis" Link to comment Share on other sites More sharing options...
GeneralDadmission Posted February 6, 2015 Author Share Posted February 6, 2015 1. It is not "time dilation", it is "total accumulated proper time". 2. Acceleration does not affect the "total accumulated proper time" directly, speed does. See the "clock hypothesis" No worries. I'll take that into account for my purposes. Thanks for the correction. Link to comment Share on other sites More sharing options...
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