5) An electron gun sends out a beam of electrons whose kinetic energies are all about...

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5) An electron gun sends out a beam of electrons whose kinetic energies are all about 53 ueV. (1 ueV = 1.6 x 10-25 J.) You ne

5) An electron gun sends out a beam of electrons whose kinetic energies are all about 53 μμeV. (1 μeV=1.6×10−25 J1 μeV=1.6×10−25 J.) You need to set up a magnetic field perpendicular to the beam that causes it to turn through a 90∘∘ circular arc of length 3 mm. How strong must the magnetic field be? [Note: electrons have a mass of about 9.11×10^-31 kg.]

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mass of electrcon Cm)- 9.11x163 Energy CE) -S3e ev 53 x 1.6 X10 3.48x102Y J. velecty 9.11 X10-31 314.731m/s ARe iength CL) 3m 9.11x1631 X 4314.73 1 1.6 X 1019 - 2.5737X1oT B Ans Please tate.

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