A Particle with a Charge of 5*10^-6 C and a Mass

question 35

Multiple Choice

A particle with a charge of 5*10^-6 C and a mass of 20 g moves uniformly with a speed of 7 m/s in a circular orbit around a stationary particle with a charge of -5 *10^-6 C. The radius of the orbit is:

• A) 0
• B) 0.23 m
• C) 0.62 m
• D) 1.6 m
• E) 4.4 m

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Definitions:

Raw Materials Price Variance

This variance highlights the difference between the actual cost of raw materials used in production and the standard or expected cost.

Variable Overhead Efficiency Variance

The difference between actual and budgeted variable overhead costs, attributable to differences in productive efficiency.

Favorable

A term used in finance and accounting to describe a situation or variance that is better than expected or budgeted, often indicating profits or gains.

Labor Efficiency Variance

The difference between the actual labor hours used to produce a good or service and the standard labor hours expected to be used, measuring labor efficiency.