What Is the Momentum of an Electron Moving at a Speed

question 65

Multiple Choice

What is the momentum of an electron moving at a speed of 0.90 c? (m_e = 0.511 MeV/c² = 9.11 × 10^-31 kg)

• A) 3.1 × 10^-22 kg·m/s
• B) 2.5 × 10^-22 kg·m/s
• C) 5.6 × 10^-22 kg·m/s
• D) 4.4 × 10^-22 kg·m/s
• E) 2.5 × 10^-23 kg·m/s

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Definitions:

Working Capital

The gap between a firm's present assets and liabilities, showing its operational efficiency and ability to cover short-term obligations.

Operating Cash Inflow

Cash generated from a company's normal business operations.

Straight-Line Depreciation

A method of allocating the cost of a tangible asset over its useful life in equal annual amounts, making it the simplest depreciation method.

After-Tax Discount

The reduction in price or value of an item after taxes have been factored into its cost.