Course: PHYS 1402 Colle × Course Home \\kg Course Home × / e Solved: (a) What is
ID: 1659633 • Letter: C
Question
Course: PHYS 1402 Colle × Course Home kg Course Home × / e Solved: (a) What is the s× M inbox (35) _ halturn95@ X. E MasteringPhysics: CH (20,21) HW #2-Google Chrome Secure | https://session.masteringphysics.com/myct/itemView?assignmentProblemlD-84924745 * previous | 28 of 60 I next Part A what :ha spead of beam of electrons when the simultaneous influence of an deflection of the electrone? lectno nald of 1.40104 V/m and a magnetio fald oe 4.64x 10-3 T with boch nalds normal to tra baan and to e20h ot er produces no v 3.15x10 m/s My Answers Give Up Correct Part B When the electric field is removed. wwhst is the radius of the electron orbit? My Answers Give Un Part C Wha: s the period of the orbit? Submit My Answers Give Up Continue Type here to search 10:05 PM 9/29/2017Explanation / Answer
a) Fm = q v B
q E = q v B
v = E / B = 1.46 * 104 / (4.64 * 10-3)
v = 3.15 * 106 m/s
b) r = m v / (q B)
= (9.11 * 10-31 * 3.15 * 106 ) / (1.6 * 10-19 * 4.64 * 10-3 T)
r = 3.86 mm
c) T = 2 pi * r / v
= 2 pi * 3.86 * 10-3 / 3.15 * 106
T = 7.7 * 10-9 s