Chapter 23: Problem 85
A helium ion (He
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Chapter 23: Problem 85
A helium ion (He
These are the key concepts you need to understand to accurately answer the question.
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Get started for freeA small metal sphere, carrying a net charge of
An infinitely long line of charge has linear charge density 5.00
A point charge
When radium-226 decays radioactively, it emits an alpha particle (the nucleus
of helium), and the end product is radon-222. We can model this decay by
thinking of the radium-226 as consisting of an alpha particle emitted from the
surface of the spherically symmetric radon-222 nucleus, and we can treat the
alpha particle as a point charge. The energy of the alpha particle has been
measured in the laboratory and has been found to be 4.79 MeV when the alpha
particle is essentially infinitely far from the nucleus. Since radon is much
heavier than the alpha particle, we can assume that there is no appreciable
recoil of the radon after the decay. The radon nucleus contains 86 protons,
while the alpha particle has 2 protons and the radium nucleus has 88 protons.
(a) What was the electric potential energy of the alpha
An insulating spherical shell with inner radius 25.0 cm and outer radius 60.0
cm carries a charge of
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