Cosmic rays are particles that bombard the Earth from space, and it is believed that most cosmic
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Cosmic rays are particles that bombard the Earth from space, and it is believed that most cosmic rays originate outside of our solar system. Some cosmic rays have extremely high energies. On the night of October 15, 1991, a cosmic-ray detector in Utah detected a cosmic-ray proton with an energy of 3.2 × 1020 eV. This energy is so large that this proton was named the “Oh-my-God” particle. Suppose a baseball has a kinetic energy equal to the energy of this proton. Find the speed of the baseball. The process that gave this proton its very high energy is not known.
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College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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