→ baalism2:爬文吧，前幾個禮拜有討論串 01/03 22:05
[領域] 普物相對論 (題目相關領域)
[來源] 課本習題 (課本習題、考古題、參考書...)
[題目]
Jessica embarks on a cosmic journey at a speed of (12/13)c
relative to Earth. Before leaving, she tells her twin brother Tom,
who stays on Earth, that she will travel outward for 26 yr of
Earth time, then back for another 26 yr of Earth time. Tom will
thus be 52 yr older when she returns, She promises to send a
radio message on each of her birthdays.With what interval in her rest frame does Jessica
receive these messages during the outward part of the journey?
During the return trip'? Use this information to calculate how much
Jessica ages during her trip according to an Em1h-based clock.
[瓶頸] (寫寫自己的想法，方便大家為你解答)
由光的Doppler得知去程兩訊息的的周期是5年,回程是0.2年
但是第三小題就不會寫了,請大家幫幫忙~
我猜是Tom花了50年(五年一次)收到去程的10個訊息,剩下兩年(0.2年收一次)
總共20個訊息 所以Jessica二十歲,但不我知如何解釋為何要花50年收前10個訊息
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