In a Certain Particle Accelerator,a Proton Has a Kinetic Energy

question 47

Multiple Choice

In a certain particle accelerator,a proton has a kinetic energy that is equal to its rest energy.What is the speed of the proton relative to the accelerator?

• A) 0.25c
• B) 0.50c
• C) 0.71c
• D) 0.75c
• E) 0.87c

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Definitions:

WACC

Weighted Average Cost of Capital; a calculation of a firm's cost of capital where each category of capital is proportionately weighted, including equity, debt, preferred stock, and any other long-term debt.

Debt Financed

The use of borrowed funds to purchase assets or fund operations, typically involving interest payments to the lender.

Tax Rate

The percentage at which an individual or corporation is taxed by the government.

After-Tax Cost

The actual cost of an expense or investment to a company or individual after accounting for the effects of taxes.