An electron moves with a speed of 2.5 *10 7 m / s in the directions shown in the

Question

An electron moves with a speed of 2.5 *107m/s in the directions shown in the figure. A 0.50T magnetic field points in the positive x-direction

1. What is the direction of the magnetic force in figure (a)?

A.+z B. -z C. +zy D. -zx

2. What is the direction of the magnetic force in figure (b)?

A. -zy B. +zy C. +z D. -y

An electron moves with a speed of 2.5 *107m/s in the directions shown in the figure. A 0.50T magnetic field points in the positive x-direction What is the direction of the magnetic force in figure (a)? A +z B. -z C. +zy D. -zx What is the direction of the magnetic force in figure (b)? A. -zy B. +zy C. +z D. -y

Explanation / Answer

1. -z

2. -zy

F = q*v X B

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