A Relativistic Proton Has a Momentum of 1

question 18

Multiple Choice

A relativistic proton has a momentum of 1.0 × 10^-17 kg • m/s and a rest energy of 0.15 nJ.What is the kinetic energy of this proton? (c = 3.00 × 10⁸ m/s,m_proton = 1.67 × 10^-27 kg)

• A) 1.3 pJ
• B) 1.6 pJ
• C) 3.0 pJ
• D) 2.2 pJ
• E) 2.5 pJ

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Definitions:

Price Level

An index that measures the average prices of goods and services within an economy over a period of time.

Aggregate Quantity Demanded

The total quantity of a good or service that consumers are willing and able to purchase at a given price level in a given market.

Classical Economists

Economic theorists from the 18th and 19th centuries, including figures like Adam Smith, David Ricardo, and John Stuart Mill, who focused on the idea of free markets, self-regulating economies, and the importance of competition.

Saving

The portion of income not spent on current consumption but reserved for future use.