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Unformatted text preview: length of the cannon as 900 ft (as stated in the book), what is the probability that the astronauts would have survived "liftoff"? (b) In the book, the astronauts in their ship feel the effects of the earth's gravity until they reach the balance point where the moon's gravitational pull on the ship equals that of the earth. At this point, everything flips around and what was the ceiling in the ship becomes the floor. How far away from the center of the earth is this balance point? (c) Is this description of what the astronauts experienced reasonable? Is this what actually happened to the Apollo astronauts on their visit to the moon? Solution: Chapte...
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