In the Rutherford Model of the Hydrogen Atom, a Proton $\pi$

question 38

Multiple Choice

In the Rutherford model of the hydrogen atom, a proton (mass M, charge Q) is the nucleus and an electron (mass m, charge q) moves around the proton in a circle of radius r.Let k denote the Coulomb force constant (1/4 $\pi$ ) and G the universal gravitational constant.The ratio of the electrostatic force to the gravitational force between electron and proton is:

• A)kQq/GMmr²
• B)GQq/kMm
• C)kMm/GQq
• D)GMm/kQq
• E)kQq/GMm

Illustrate the challenges posed by widespread political corruption in the economic development of developing nations.

Describe how technological advances, such as new fertilizers, can support economic development in different topographical and climate conditions.

Recognize the role of international aid and institutions, like the World Bank, in supporting economic development in developing nations.

Understand the impact of foreign aid flow and its distribution among developing nations.

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Definitions:

Schizophrenia

A long-term mental disorder involving a breakdown in the relation between thought, emotion, and behavior, leading to faulty perception, inappropriate actions and feelings, and a withdrawal from reality.

Dopamine

A neurotransmitter in the brain associated with pleasure, movement, and the reward system, influencing mood and behavior.

Neurotransmitter

Chemical substances in the nervous system that transmit signals between neurons.

Dopamine

A neurotransmitter involved in a number of functions, including mood, sleep, learning, and the reward system, often linked to feelings of pleasure and satisfaction.