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A particle has a total energy that is less than that of a potential barrier. When the particle penetrates the barrier, its wave function is
Stock
A type of financial security that represents a proportion of ownership in a corporation, giving the holder a claim to part of the company's profits and assets.
NDP
Net Domestic Product, a measure of a country's economic output that accounts for depreciation. It represents the total value of all goods and services produced within a country's borders minus the depreciation of its capital goods.
United States
A country in North America known for its large economy and diverse population, officially known as the United States of America.
Underground Economy
Unreported or illegal production of goods and services that is not counted in GDP.
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