An Electron Moves in a Region Where the Magnetic Field

question 3

Multiple Choice

An electron moves in a region where the magnetic field is uniform, has a magnitude of 60 μT, and points in the positive x direction. At t = 0 the electron has a velocity that has an x component of 30 km/s, a y component of 40 km/s, and a z component of zero. What is the pitch of the resulting helical path?

• A) 13 mm
• B) 32 mm
• C) 24 mm
• D) 18 mm
• E) 3.8 mm

Understand parental or guardian influence on child nutrition and physical health.

Learn about the relationship between obesity, self-esteem, and social skills in children.

Recognize the significance of interventions in preventing and managing childhood obesity.

Understand the role and types of motor skills in children's physical, cognitive, and athletic development.

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Definitions:

Academic Disidentification

A psychological process where students detach their sense of self-worth from their academic performance.

Theory of Planned Behavior

A psychological theory that links beliefs and behavior, suggesting that an individual’s intention to engage in a behavior is influenced by attitudes, subjective norms, and perceived control over the behavior.

Cognitive Dissonance Theory

A theory suggesting that we have an inner drive to hold all our attitudes and beliefs in harmony and avoid disharmony (or dissonance).

Attribution Theory

A psychological theory that explains how people interpret and attribute causes to behaviors and events.