An Alpha Particle Is Emitted from a Radioactive Source with an Energy

question 9

Multiple Choice

An alpha particle is emitted from a radioactive source with an energy of 5 MeV. How fast is it moving (in m/s) ? (m = 4.002 603 u, 1 u = 1.66 × 10−²⁷ kg.)

• A) 2.4 × 10⁷
• B) 1.6 × 10⁷
• C) 3.7 × 10⁷
• D) 4.6 × 10⁷
• E) 2.1 × 10⁷

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Definitions:

Operating Working Capital

Operating Working Capital is a measurement of a company's operating liquidity, calculated as current assets minus current liabilities, indicating the short-term financial health and efficiency of operations.

Depreciation

The systematic allocation of the cost of a tangible asset over its useful life, reflecting the asset's consumption, wear and tear, or obsolescence.

Capital Expenditures

Payments made by a company to acquire or upgrade physical assets such as property, industrial buildings, or equipment.

Amortization

The process of gradually reducing a debt through regular payments of both principal and interest.