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Recitation_Quiz_06 - Physics 2220.003 Name Key Spring 2007...

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Unformatted text preview: Physics 2220.003 Name: Key Spring 2007 I.D.: Quiz 6 An alpha particle with a kinetic energy of 500 keV moves in a direction perpendicular to a uniform magnetic field with magnitude B = 2.00 T. The mass of the alpha particle is m = 6.64 ><10‘27 kg, and its charge is g = +26, Where e = 1.60 ><10'19 C. a) (2 points) Sketch the particle’s path. Assume that the magnetic field is directed out of the page. Be sure to show the direction of motion. 0 “l 0 G) G) G b) (2 points) Find the speed of the particle. 2 _ (ZK' - 2. 5xro‘eV-t.0xlo""J/zv Kzémzl => 11" 77" "JW :4fllxl00m/s c) (2 points) Find the magnetic force acting on the particle. ,5 FE @ng -—> F0 was = 2-1.4, vat-4.901050 5 7.007 = 3.14 x10"2 N F8 ‘95 i tin-{LB " diveoteoi ”ivy-midi Cedera/ cirwfiwovbi't d) (2 points) Find the radius of the particle’s orbit. z? 6 - . é .. g at ”a _.m2.’_ 0. 4x20 13-490mm z .2 = =>~ : —. => Brm~ ‘-> r- ' _‘ 509470 -.mr.‘_.2_'5 0R V'“ FB " E; e) (2 points) Find the period of one orbit. _ 219: s 27r-509XI0'ZM -3 T— v W =6.52x!0 s ...
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