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Two rockets approach earth from opposite directions at equal speeds relative to the earth. A scientist on earth notes that it takes 1 h and 5 min, according to her watch, for th clocks on the rockets to advance by 1 h.

A) How fast are the rockets moving with respect to the earth?

B) According to an astronaut on one rocket, how long does it take the clock on the other rocket to advance by 1 h?

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