Homework Help: Physics

Posted by Anonymous on Sunday, November 22, 2009 at 4:08pm.

Two astronauts, one of mass 61 kg and the other 82 kg, are initially at rest in outer space. They then push each other apart. How far apart are they when the lighter astronaut has moved 12 m?

Physics - drwls, Sunday, November 22, 2009 at 7:02pm
Their center of mass will remain in the same place (in a coordinate system fixed with respect their initial location), since no external force acts upon them.
Physics - Anonymous, Tuesday, November 24, 2009 at 12:26am
it will be smaller than smaller 12 m

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