What is the strength of the magnetic field in T needed to hold antiprotons, moving at 1.8 × 107 m/s, in a circular path 1.95 m in radius? Antiprotons have the same mass as protons but the opposite (negative) charge.

What is the strength of the magnetic field in T needed to hold antiprotons, moving at 1.8 × 107 m/s, in a circular path 1.95 m in radius? Antiprotons have the same mass as protons but the opposite (negative) charge.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 55P: The magnetic field in a cyclotron is 1.25 T, and the maximum orbital radius of the circulating...

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Concept explainers

Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.

Question

Viewers of Star Trek hear of an antimatter drive on the Starship Enterprise. One possibility for such a futuristic energy source is to store antimatter-charged particles in a vacuum chamber, circulating in a magnetic field, and then extracting them as needed. Antimatter annihilates with normal matter, producing pure energy.

What is the strength of the magnetic field in T needed to hold antiprotons, moving at 1.8 × 10⁷ m/s, in a circular path 1.95 m in radius? Antiprotons have the same mass as protons but the opposite (negative) charge.

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