Momentum: in the Lab, a Relativistic Proton Has a Momentum

question 16

Multiple Choice

Momentum: In the lab, a relativistic proton has a momentum of 1.00 × 10^-19 kg ∙ m/s and a rest energy of 0.150 nJ. What is the speed of the proton in the lab? (c = 3.00 × 10⁸ m/s, m_proton = 1.67 × 10^-27 kg)

• A) 0.170c
• B) 0.196c
• C) 0.911c
• D) 0.930c
• E) 0.951c

---

Definitions:

MC

Stands for Marginal Cost, which is the change in total cost that arises when the quantity produced is incremented by one unit; it is a key concept in economic theory guiding decision-making on the optimal level of production.

Marginal Cost Curve

A graphical representation showing how the cost of producing one more unit of a good changes as production volume changes.

Demand Curve

A visual depiction that illustrates the correlation between a product or service's price and the amount consumers are willing to purchase at different price points.

Profit-maximizing

How a company decides on the price and production rate that leads to the greatest financial gain.