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27 Nov 2019
An electron (charge q = -1.6x10-19 C and mass m = 9.1x10-31) movingat speed v enters a region where a uniform magnetic field B = 1.9 Ã10-4 T bends the path of the electron into a semicircle with radiusof r = 3.5 cm as shown.
(a) What is the speed of the electron as it enters the region ofnon-zero magnetic field?
(b) What is the speed of the electron as it leaves the region ofnon-zero magnetic field?
(c) How much work was done on the electron by the magnetic field inthis region?
An electron (charge q = -1.6x10-19 C and mass m = 9.1x10-31) movingat speed v enters a region where a uniform magnetic field B = 1.9 Ã10-4 T bends the path of the electron into a semicircle with radiusof r = 3.5 cm as shown.
(a) What is the speed of the electron as it enters the region ofnon-zero magnetic field?
(b) What is the speed of the electron as it leaves the region ofnon-zero magnetic field?
(c) How much work was done on the electron by the magnetic field inthis region?
23 Jun 2023
Bunny GreenfelderLv2
2 Jan 2019
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