Physics 1 Problem Solutions 291

Physics 1 Problem Solutions 291 - Chapt. 38 Special...

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Unformatted text preview: Chapt. 38 Special Relativity 287 b) Stirred by your first conquest of space, you and Frodowell Frodo is less eagernow want to cross the bulge to the far end of the disk of Galaxy: distance 100 , 000 lyr. But you want to live to see the journeys end. What physical effect makes it possible to survive the journey? c) How much LESS than the speed of light (in units of c : i.e., in terms of ) do you need to go at to make the pan-Galactic journey of 100 , 000 lyr in 1 year for YOU ? HINT: Recall the first order Taylor expansion 1 1 + x 1 1 2 x which is valid for x << 1. d) How long are each of your the trips in dog years for Frodo? And why does Frodo want to stay at Sirius? 038 qfull 00510 2 5 0 moderate thinking: Frodo and the black hole 6. Once again you and your trusty hound Frodo are voyaging through Galactic space on your star ship Smaug. a) Unbeknownst to you, Frodo has an inner life in which he in comtemplates the universe. He asks himselfsince its no use asking youif the gravitational force is always attractive...
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This note was uploaded on 11/16/2011 for the course PHY 2053 taught by Professor Buchler during the Fall '06 term at University of Florida.

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