Unformatted text preview: actually hit it. Why can we use a close fly-by as a means to accelerate the spacecraft enough so that it can travel to the outer planets? (Think back to the encounter between the twins after they had aged a bit, or to the tennis ball – basket ball demo.) 3. In what way is the planet affected by this sort of close fly-by? 4. When an object is spinning, it has two important attributes describing its spin, each of which try to stay constant. What are they? 5. What do we mean by the statement “Energy is always conserved”?...
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- Spring '08
- basket ball demo, close fly-by