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i Chrome File Edit View History Bookmarks People Window Help ORBC cm) 82% C4) Sat 7:24 PM Q E • O • eMorehead State University xVC Search Q&A; | Chegg.com X G C D www.saplinglearning.com/ibiscms/mod/ibis/view.php?id=2673389 Question 11 of 23 Due Dat © Sapling Learning (Map AA Macmillan learning Points P An electron enters a region of space containing a uniform 0.0000245-T magnetic field. Its speed is 135 m/s and it enters perpendicularly to the field. Under these conditions, the electron undergoes circular motion. Find the radius rof the electron's path, and the frequency fof the motion. Grade C Descrip Policies Number You can In You can assign Number You hav fID Hz You lose answer at that a eText O Help O Webt n Tech

Explanation / Answer

Given :-

Me = 9.11 x 10^-31 kg

V = 135 m/s

B = 0.0000245 T

e = 1.6 x 10^-19 C

a)

r = mv / qB

r = (9.11 x 10^-31 x 135) / (1.6 x 10^-19 x 0.0000245)

r = 3.14 x 10^-5 m

b)

f = v / 2pi*r

f = 135 / (2 x 3.14 x 3.14 x 10^-5)

f = 6.85 x 10^5 Hz

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