Three Identical Point Charges (+2

question 10

Multiple Choice

Three identical point charges (+2.0 nC) are placed at the corners of an equilateral triangle with sides of 2.0-m length. If the electric potential is taken to be zero at infinity, what is the potential at the midpoint of any one of the sides of the triangle?

• A) 16 V
• B) 10 V
• C) 70 V
• D) 46 V
• E) 44 V

Describe the structure and function of the nervous system, including the central and peripheral components.

Explain the mechanism of action for different classes of drugs, including their effects on neurotransmitter systems.

Understand the protective mechanisms of the nervous system, including the roles of meninges and cerebrospinal fluid.

Recognize the physiological responses to drugs and natural stimuli, focusing on neurotransmitter levels and receptor site interaction.

---

Definitions:

Progressive

A tax system where the tax rate increases as the taxable amount increases, often aimed at achieving a more equitable distribution of income.

Proportional

A relationship where two quantities increase or decrease at the same rate, maintaining a constant ratio.

Regressive

Refers to a tax system where the tax rate decreases as the taxable amount increases, often placing a higher burden on lower-income earners.

Tax Incidence

The analysis of the effect of a particular tax on the distribution of economic welfare among entities, determining who ultimately bears the cost of the tax.