quiz1[1]

quiz1[1] - PHYSICS 2D QUIZ 1 WINTER QUARTER 2009 PROF...

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Unformatted text preview: PHYSICS 2D QUIZ 1 WINTER QUARTER 2009 PROF. HIRSCH JANUARY 16, 2009 Formulas : Time dilation; Length contraction: " t = # " t ' $ # " t p ; L = L p / # ; c = 3 % 10 8 m / s Lorentz transformation: x ' = " ( x # vt ) x = " ( x ' + vt ') y'= y , z'=z " = 1 1 # v 2 / c 2 y = y', z =z' t ' = " ( t # vx / c 2 ) t = " ( t ' + vx '/ c 2 ) Spacetime interval: ( " s ) 2 =( c " t ) 2-[ " x 2 + " y 2 + " z 2 ] Relativistic Doppler shift : f obs = 1 + v / c 1 ! v / c f source (approaching) . f=c/ λ Momentum: r p = " m r u ; " = 1 1 # u 2 / C 2 ; E = p 2 C 2 + m 2 C 4 Kinetic energy: K = ( " # 1) mc 2 Total energy: E = " mc 2 Rest energy: E = mc 2 Electron: m e = 0.511 MeV / c 2 Proton: m p = 938.26 MeV / c 2 Neutron: m n = 939.55 MeV / c 2 Atomic mass unit : 1 u = 931.5 MeV / c 2 ; electron volt : 1eV =1.6 " 10-19 J Justify all your answers to all problems Problem 1 (10 points) spaceship flashlight mirror v=0.6c back front...
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This note was uploaded on 03/21/2009 for the course PHYS 2D taught by Professor Hirsch during the Spring '08 term at UCSD.

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quiz1[1] - PHYSICS 2D QUIZ 1 WINTER QUARTER 2009 PROF...

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