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An electron (mass 9.11×10-31kg) has velocity v = (39.5 i+ 79 j) (km/s) as it enters...

An electron (mass 9.11×10-31kg) has velocity v = (39.5 i+ 79 j) (km/s) as it enters a uniform magnetic field B = (24 μT) i.
Calculate the radius of the path taken by the electron.
Select one:

a. None of them


b. 9.37 mm

c. 20.95 mm

d. 18.74 mm

e. 28.11 mm

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