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C Phy MSN.com Hotmail, Outlo X Arkansas State University, X Chegg.. x C WWW sapl

ID: 1467014 • Letter: C

Question

C Phy MSN.com Hotmail, Outlo X Arkansas State University, X Chegg.. x C WWW sapling learning.com 2060919&proceed-1; sapling learning Jump to Sapling Learning Arkansas State University, N 2133 Fall 15 SUMMERS Activities and Due Dates Exam #4 My Assignment Resources @Time Remaining 2H37 M Gradebook 9/20 11:55 PM A O Assig ent Information Calculator Periodic Table Available From: 11/17/2015 12:00 AM Question 10 of 15 Due Date: :55 PM Points Possib Grade Category: Exams A charged particle is injected at 191 m/s into a 0.0691-T uniform magnetic magnetic field perpendicularly Description: to the field. The diameter of its orbit is measured and found to be 0.0361 m. What is the charge-to-mass ratio of this particle? Physics Tests (for extended Polici due dates) Number You can see if your answers are correct once the C /kg ded du xtbook O Help with This Topic Web Help & Videos Technical Support and Bug Reports O Previous Next HSave And Exit about us careers partners privacy pollcy terms of use contact us help P o Logout H 51 PM /18/2015

Explanation / Answer


apply in cyclotron

apply centripetal force = magnetic force

i.e mv^2/r = qvB,

where m = mass o the charged particle

v = velocity, r = radius ,

q = charge = 1.6*10^-19 C

B = magnetic field

so now , r = mv/qB

so as r = D/2 = 0.0361/2 = 0.01805 m

so

q/m = v/Br

q/m = 191/(0.0691 * 0.01805)

q/m = 1.53 e 5 C/ kg