A Proton in a Certain Particle Accelerator Has a Kinetic

question 34

Multiple Choice

A proton in a certain particle accelerator has a kinetic energy that is equal to its rest energy. What is the momentum of the proton as measured by a physicist working with the accelerator? (c = 3.00 × 10⁸ m/s, mproton = 1.67 × 10^-27 kg)

• A) 2.51 × 10^-19 kg ∙ m/s
• B) 2.89 × 10^-19 kg ∙ m/s
• C) 4.34 × 10^-19 kg ∙ m/s
• D) 5.01 × 10^-19 kg ∙ m/s
• E) 8.68 × 10^-19 kg ∙ m/s

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Definitions:

Standard Deviation

A statistical measure of the dispersion or variability of a set of data points, often used in finance to gauge the risk associated with a particular investment.

Riskiness

The degree to which the return on an investment can vary, indicating the uncertainty and potential for loss in an investment.

Stock's Standard Deviation

A statistical measure representing the volatility or risk associated with the stock's return, showing how much the stock's returns can deviate from its average return.

Security Risk

The potential for a loss in value of an investment due to factors affecting the security itself or its issuer, such as default risk or market volatility.