A negatively charged particle (m = 5.0 g, q = -70 microC) moves horizontally at a constant speed of 30 km/s in a region where the free fall gravitational acceleration is 9.8 m/s2 downward, the electric field is 700 N/C upward, and the magnetic field is perpendicular to the velocity of the particle. a) What are the directions of the electric and magnetic forces on the particle? O Both forces are upward O Electric force downward; magnetic force upward O Both forces are downward O Electric force upward; magnetic force downward b) What is the magnitude of the magnetic field in this region?
A negatively charged particle (m = 5.0 g, q = -70 microC) moves horizontally at a constant speed of 30 km/s in a region where the free fall gravitational acceleration is 9.8 m/s2 downward, the electric field is 700 N/C upward, and the magnetic field is perpendicular to the velocity of the particle. a) What are the directions of the electric and magnetic forces on the particle? O Both forces are upward O Electric force downward; magnetic force upward O Both forces are downward O Electric force upward; magnetic force downward b) What is the magnitude of the magnetic field in this region?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 80P
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