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Home Q & A Board Science-Related Homework Help Physics
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bwebb03 bwebb03
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6 years ago
A velocity selector uses a fixed electric field of magnitude E and the magnetic field is varied to select particles of various energies. If a magnetic field of magnitude B is used to select a particle of a certain energy and mass, what magnitude of magnetic field is needed to select a particle of equal mass but twice the energy?
 a. 0.50 B
  b. 1.4 B
  c. 2.0 B
  d. 0.71 B
  e. 1.7 B
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andreamorenctandreamorenct
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6 years ago
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bwebb03 Author
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#2
6 years ago
Thank you so very much, was really helpful
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