28. (II) An electron enters a uniform magnetic fieldB = 0.28 T at a 45° angle to B. Determine the radius r and pitch p (distance between loops) of the electron's helical path assuming its speed Fig. 27-44. is 3.0 X 10 m/s. See 000 2r FIGURE 27-44 Problem 28.
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![28. (II) An electron enters a uniform magnetic fieldB= 0.28 T
at a 45° angle to B. Determine the radius r and
pitch p (distance between loops) of the electron's helical
path assuming its speed
Fig. 27-44.
is
3.0 x 10° m/s. See
2r
FIGURE 27-44
Problem 28.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F77bb1657-7948-40cb-8ab6-0629450bb177%2F68445040-2581-4c71-8948-75ef2e939143%2F209lpf_processed.jpeg&w=3840&q=75)
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