Assignment 6 - University of Florida Department of Physics...

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University of Florida Department of Physics PHY3101, Fall 2009 Introduction to Modern Physics Homework 6 - Due Fri, Feb 12 2009 Student Name: ( please print large and legibly. No UFID is necessary. ) Total: / 20 points.
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Physics 3101, HW#6, Fri, Feb 12 2009 Name: Problem 1: Relativistic Momentum and Energy (4 points) How much work must be done on a proton to increase its speed from (a) 0 . 15 c to 0 . 16 c ? (2pts) (b) 0 . 85 c to 0 . 86 c ? (1pt) (c) 0 . 95 c to 0 . 96 c ? (1pt) Note that the change in speed in the same in each case. 1
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Physics 3101, HW#6, Fri, Feb 12 2009 Name: The Relativistic Heavy Ion Collider (RHIC) at Brookhaven is colliding fully ionized gold (Au) nuclei accelerated to an energy of 200 GeV per nucleon. Each Au nucleus contains 197 nucleons. (a) What is the speed of each Au nucleus just before collision? ( 2 points ) (b) What is the momentum of each nucleus at that instant? ( 1 points ) (c) What energy and momentum would be measured for one of the Au nuclei by an observer in the rest system of the other Au nucleus? ( 3 points ) 2
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Assignment 6 - University of Florida Department of Physics...

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