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If a proton of kinetic energy 10.0 MeV encounters a rectangular potential energy barrier of height 30.0 MeV and width 1.0 * 10-15 m,what is the probability that the proton will tunnel through the barrier?
Account Surpluses
Situations where a country's exports exceed its imports over a given period, leading to a positive balance of trade.
International Gold Standard
A monetary system in which the standard economic unit of account is based on a fixed quantity of gold, facilitating international trade and investment.
Exports
Products or services traded or sold from one nation to another.
Imports
Purchased goods or services brought into one country from another.
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