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:

First-In, First-Out Method

An inventory valuation method where the earliest items added to inventory are the first ones considered sold.

Equivalent Units

A measure used in process costing that converts partially completed goods into an equivalent number of fully completed units.

Production Consideration

Factors or aspects taken into account during the manufacturing process, including efficiency, cost, and quality.

Cost Reconciliation Report

A financial report that reconciles estimated costs with actual costs in manufacturing or project management.