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**Unformatted text preview: **4. K&K problem 12.1. 5. (From Ritchie Patterson.) The gestation period of elephants is 21 months. Suppose we place a freshly impregnated elephant in a spaceship and launch it into interstellar space at a constant speed of v = 0.9 c . (Don't worry, we have sent along plenty of hay, and the elephant will enjoy the planet to which it is sent.) (a) At what distance from earth will the elephant give birth? Give the answer in both the earth's frame and the elephant's frame. Verify that you are correct by checking with the Lorentz transformation. (b) If we monitor the condition of the elephant from earth by radio (the signals travel at the speed of light), at what time after the launch will we hear the squeals of the newborn calf? 6. K&K problem 12.14. We will use this result in class before too long. 7. K&K problem 12.4. 8. K&K problem 12.10....

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- Fall '05
- ELSER, V
- Angular Momentum, Special Relativity, Fundamental physics concepts, Gestation, K&K problem