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An astronaut of mass 78.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with the booster rockets on his spacesuit, he finds himself drifting away from the station with a constant speed of 0.500 m/s. With the booster rockets no longer working, the only way for him to return to the station is to throw the 8.55 kg wrench he is holding.

A) He throws the wrench with speed 12.65 m/s WITH RESPECT TO HIMSELF. After he throws the wrench, how fast is the astronaut drifting toward the space station?

B) What is the speed of the wrench with respect to the space station?

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