1. A beam of electrons whose kinetic energy is Kemerges from a thin-foil "window" at the end of an accelerator tube. Ametal plate at distance d from this window is perpendicular to the direction of the emerging beam. What minimum strength uniform magnetic field could you apply to prevent the beam from hitting the metal plate? Express your final answer in terms of K, d, and any known constants.

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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1. A beam of electrons whose kinetic energy is Kemerges from a thin-foil "window" at the end of an
accelerator tube. Ametal plate at distance d from this window is perpendicular to the direction of the
emerging beam. What minimum strength uniform magnetic field could you apply to prevent the beam from
hitting the metal plate? Express your final answer in terms of K, d, and any known constants.
Transcribed Image Text:1. A beam of electrons whose kinetic energy is Kemerges from a thin-foil "window" at the end of an accelerator tube. Ametal plate at distance d from this window is perpendicular to the direction of the emerging beam. What minimum strength uniform magnetic field could you apply to prevent the beam from hitting the metal plate? Express your final answer in terms of K, d, and any known constants.
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