A proton is at rest at the plane vertical boundary of a region containing a uniform magnetic field B (see figure below). An alpha particle moving horizontally makes a head-on elastic collision with the proton. Immediately after the collision, both particles enter the magnetic field, moving perpendicular to the direction of the field. The radius of the proton's trajectory is R. The mass of the alpha particle is four times that of the proton, and its charge is twice that of the proton. Find the radius of the alpha particle's trajectory. (Use any variable or symbol stated above as necessary.) Proton Alpha particle B=0 Need Help? Read It Watch t

A proton is at rest at the plane vertical boundary of a region containing a uniform magnetic field B (see figure below). An alpha particle moving horizontally makes a head-on elastic collision with the proton. Immediately after the collision, both particles enter the magnetic field, moving perpendicular to the direction of the field. The radius of the proton's trajectory is R. The mass of the alpha particle is four times that of the proton, and its charge is twice that of the proton. Find the radius of the alpha particle's trajectory. (Use any variable or symbol stated above as necessary.) Proton Alpha particle B=0 Need Help? Read It Watch t

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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

A proton is at rest at the plane vertical boundary of a region containing a uniform magnetic field B (see figure below). An alpha
particle moving horizontally makes a head-on elastic collision with the proton. Immediately after the collision, both particles enter
the magnetic field, moving perpendicular to the direction of the field. The radius of the proton's trajectory is R. The mass of the
alpha particle is four times that of the proton, and its charge is twice that of the proton. Find the radius of the alpha particle's
trajectory. (Use any variable or symbol stated above as necessary.)
Proton
Alpha
particle
B=0
Need Help?
****
Read it
Watch t

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