Total Energy: a Proton in a Certain Particle Accelerator Has

question 15

Multiple Choice

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

• A) 5.69 × 10^-11 J
• B) 1.50 × 10^-10 J
• C) 2.07 × 10^-10 J
• D) 3.01 × 10^-10 J
• E) 8.77 × 10^-10 J

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Definitions:

Risk Level

A measurement or assessment of the degree of uncertainty regarding the outcome of an investment or decision.

Cost of Equity

The return a company requires to decide if an investment meets capital return requirements and is often used to assess the cost of a company’s financing through equity issuance.

Coupon Rate

Each year's interest rate on a bond displayed as a percentage of the bond's face value.

Cost of Capital

The minimum earnings rate a corporation must achieve on its projects to sustain its market valuation and draw in investments.