A Charged Particle Having Electric Charge Q = 4

question 56

Multiple Choice

A charged particle having electric charge Q = 4.0e enters a region of magnetic field 1.2 T at an angle of θ relative to the magnetic field direction. If the speed of the particle upon entering the region is 2.8 × 10⁴ m/s, and the magnitude of the force on it is 1.3 × 10^-14 N, which of the following could be the angle θ?

• A) 47°
• B) 37°
• C) 53°
• D) 65°

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Definitions:

Cognitive Theory

A theory of psychology that emphasizes internal states, such as motivation, problem-solving, decision-making, and thinking, as the key components of understanding behavior.

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A series of thoughts, images, and sensations occurring in a person’s mind during sleep, often associated with rapid eye movement (REM) sleep.

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Information processing is the sequence of steps that involves the reception, perception, and interpretation of information by the brain.

Caffeine

A stimulant found in coffee, tea, and various foods and drinks that affects the central nervous system, increasing alertness.