A Proton Moving at a Speed of 4

question 28

Multiple Choice

A proton moving at a speed of 4.2 × 10⁶ m/s cuts across the lines of a magnetic field at an angle of 78°.The strength of the field is 0.91 × 10−⁴ T.What is the magnitude of the force acting on the proton? (q_p = 1.6 × 10−¹⁹ C)

• A)1.3E-17 N
• B)3.1E-17 N
• C)6.0E-17 N
• D)7.2E-9 N
• E)​9.6E-36 N

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Definitions:

Healthy Development

The optimal physical, emotional, and intellectual growth of an individual, achieved through proper nutrition, exercise, education, and social interactions.

Prescribe Measures

The act of officially recommending or stipulating specific actions or procedures to address a problem or improve a situation.

Developmental Psychology

A field of psychology focused on understanding how human beings change over the course of their life, particularly during childhood and adolescence.

Individual Differences

Variations among individuals in their mental, physical, and emotional traits.