lecays of nuclei and consists of two protons and two neutrons. The particle has a charge of q=+2e and a mass of 4.00 u, where u is he atomic mass unit, with 1 u = 1.661 * 10-27 kg. Suppose an alpha barticle travels in a circular path of radius 4.50 cm in a uniform nagnetic field with B = 1.20 T. Calculate (a) its speed, (b) its period of revolution, (c) its kinetic energy, and (d) the potential lifference through which it would have to be accelerated to uchieve this energy.

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 80P
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An alpha particle can be produced in certain radioactive
decays of nuclei and consists of two protons and two neutrons. The
particle has a charge of q=+2e and a mass of 4.00 u, where u is
the atomic mass unit, with 1 u = 1.661 * 10-27 kg. Suppose an alpha
particle travels in a circular path of radius 4.50 cm in a uniform
magnetic field with B = 1.20 T. Calculate (a) its speed, (b) its
period of revolution, (c) its kinetic energy, and (d) the potential
difference through which it would have to be accelerated to
achieve this energy.
Transcribed Image Text:An alpha particle can be produced in certain radioactive decays of nuclei and consists of two protons and two neutrons. The particle has a charge of q=+2e and a mass of 4.00 u, where u is the atomic mass unit, with 1 u = 1.661 * 10-27 kg. Suppose an alpha particle travels in a circular path of radius 4.50 cm in a uniform magnetic field with B = 1.20 T. Calculate (a) its speed, (b) its period of revolution, (c) its kinetic energy, and (d) the potential difference through which it would have to be accelerated to achieve this energy.
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