An Electron Is Moving at a Speed of 5

question 22

Multiple Choice

An electron is moving at a speed of 5.1 × 10⁶ m/s at an angle of 23° with respect to a uniform magnetic field of 7.3 × 10^-4 T.What is the radius of the resulting helical path? (m_e = 9.11 × 10^-31 kg,q_e = 1.6 × 10^-19 C)

• A) 3.7 cm
• B) 4.0 cm
• C) 3.2 cm
• D) 1.6 cm
• E) ​3.4 cm

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Definitions:

Behavior Therapy

A type of psychotherapy that focuses on changing undesirable behaviors through conditioning methods.

B.F. Skinner

A renowned psychologist known for his work in behaviorism, emphasizing the role of environmental factors in shaping behavior through reinforcement.

Hans Eysenck

A German-born psychologist known for his work in personality theory and intelligence, including the development of the Eysenck Personality Questionnaire.

Joseph Wolpe

A psychologist known for developing systematic desensitization, a method to reduce patients' phobias and anxieties.