An Electron Is Moving at 2

question 34

Multiple Choice

An electron is moving at 2.5 × 10⁶ m/s perpendicular to a uniform 3.5 mT magnetic field. What is the radius of its path?

• A) 5.1 cm
• B) 3.9 cm
• C) 1.6 cm
• D) 4.1 mm
• E) 2.0 mm

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Definitions:

Negative Thinking

A cognitive pattern where an individual consistently interprets situations and outcomes in a pessimistic or detrimental manner, often affecting mental health.

Sad Moods

Emotional states characterized by feelings of sorrow, disappointment, or pessimism, often transient and reactive to specific events.

Depression Relapse

The return of depressive symptoms after a period of improvement or remission, often requiring additional treatment or modification of existing therapy.

Biofeedback

A process that involves measuring a person's bodily functions such as heart rate, muscle tension, and temperature, and providing that information in real-time to help the person learn control over these functions.