A Negatively-Charged Particle Moves Across a Constant Uniform Magnetic Field

question 85

Multiple Choice

A negatively-charged particle moves across a constant uniform magnetic field that is perpendicular to the velocity of the particle.The magnetic force on this particle

• A)causes the particle to speed up.
• B)causes the particle to slow down.
• C)causes the particle to accelerate.
• D)is in the same direction as the particle's velocity.
• E)is opposite the direction of the particle's velocity.

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Definitions:

Simple Random Sampling

A sampling method where each member of a population has an equal probability of being selected into the sample.

Sample Mean

The sample mean is the average value of a sample of data, calculated by summing all data points and dividing by the number of points.

Random Variable

A variable whose values depend on outcomes of a probabilistic phenomenon.

Population Mean

The average of a set of values or measurements in the entire population.