1. a. A 100 kg astronaut on a spacewalk is 25m away from the 10000 kg space capsule and at the full length of her safety cord.  To return to the capsule, she pulls herself along the cord.  Where do the astronaut and the capsule meet from the capsule original position? b.  A laser beam is directed at the International Space Station, 420 km above the Earth.  The beam diverges at an angle of 1.43*10-5 rad.  What diameter spot will it make on the ISS?

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