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

question 26

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:

Periodic Inventory Method

An inventory accounting system where updates are made periodically, often leading to adjustments at the end of an accounting period.

Freight Charges

Freight Charges are the costs associated with transporting goods from one place to another, typically paid by the buyer or seller depending on the delivery terms.

Perpetual

A method of inventory management where inventory records are updated in real-time, reflecting sales and restocks immediately.

Sales Returns

Refers to the process of customers returning previously purchased merchandise back to the seller, and the seller, in turn, refunds the customer's money or offers credit.