A 125 kg astronaut carrying a 12 kg tool bag finds himself separated from his spaceship by 22 m and moving away from the spaceship at 0.1 m/s. To get back to the spaceship, he throws the tool bag away from the spaceship at 5.5 m/s(relative to the station). How long (in s) will he take to return to the spaceship?

Q: Two electrons

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