Support each answer with detailed reasoning for full credit. De NOT regurgitate

Question

Support each answer with detailed reasoning for full credit. De NOT regurgitate memarized results from problems worked in the text or recitation, wers NOT recorded on the Scantron answer page will NOT be counted The uniform magnetic field B in the diagram has a magnitude of 65 T and a direction of 55 degrees with respect to the y-axis. A proton is traveling parallel to the y-axis at a velocity of 5.0 x 10' m/s 17. What is the angle between the velocity and the magnetic field? A) B)35 C)55 D)90 )180 18. What is the magnitude of the magnetic force on the proton? A)-1.88 x 10-11 N B)2.24 × 10-n N C)3.15x10-10 N D) 426x1o-"N E)5.798104 N 19. What is the direction of the magnetic force on the proton? F) out of the page D) down E) into the page B) left C) up A) right

Explanation / Answer

17] Angle between the velocity and the magnetic field is 55o [option C]

18] Magnitude of force will be:

F = qvBsin55

=> F = 1.6 x 10-19 x 5 x 107 x 65sin55 = 4.26 x 10-10 N [option D].

19] Use the right hand where the direction of force is determined by the thumb. The force will thus be into the page. [option E].

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