A charged ion enters a region of uniform magnetic field B with a speed of v= 2.5×10^5 m/s. The ion makes a circular path of radius r =9.1 mm. The mass to charge ratio (m/q) of the ion is 0.52×10^-8 kg/C. Find the magnitude of B (in mT).

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Useful constants:

 

k=9.00×109 N.m2/C2

 

ε0= 8.85×10-12 C2/N.m2

 

µ0=4π×10-7 T.m/A

 

mp=1.67×10-27 kg

 

me=9.11×10-31 kg

 

e=1.6×10-19 C

 

g=10.0 m/s2

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A charged ion enters a region of uniform magnetic field B with a speed of v= 2.5×10^5 m/s. The ion makes a circular path of radius r =9.1 mm. The mass to charge ratio (m/q) of the ion is 0.52×10^-8 kg/C. Find the magnitude of B (in mT).

 

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