Three Particles Lie on the X Axis: Particle 1, with a Charge

question 55

Multiple Choice

Three particles lie on the x axis: particle 1, with a charge of 1 * 10^-8 C is at x = 1 cm, particle 2, with a charge of 2 * 10^-8 C, is at x = 2 cm, and particle 3, with a charge of -3 * 10^-8 C, is at x = 3 cm.The potential energy of this arrangement, relative to the potential energy for infinite separation, is:

• A)"+4.9 * 10^-4 J"
• B)"-4.9 * 10^-4 J"
• C)"+8.5 * 10^-4 J"
• D)"-8.5 * 10^-4 J"
• E)"0 J"

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Definitions:

Midpoint Method

A technique used to calculate the elasticity of demand or supply between two points on a curve by using the average of the two points.

Total Revenue

Total revenue refers to the total amount of money generated by a business or organization from its activities, often from sales of goods or services, before any expenses are subtracted.

Demand Elasticity

A metric for assessing the reaction of a good's demanded quantity to its price adjustments.

Income Elasticity

A measure of how the demand for a good or service changes with a change in consumers' income.