If the Total Energy of an Electron in an Accelerator

question 21

Multiple Choice

If the total energy of an electron in an accelerator is five times its rest energy,what is its speed? (c = 3.00 × 10⁸ m/s)

• A) 1.98 × 10⁸ m/s
• B) 2.94 × 10⁸ m/s
• C) 2.32 × 10⁸ m/s
• D) 2.90 × 10⁸ m/s

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Definitions:

Substitution Effect

The economic principle that as prices rise, consumers will replace more expensive items with less costly alternatives.

Marginal Utility

The extra contentment a customer obtains by using an additional unit of a product or service.

Total Utility

The aggregate level of satisfaction or benefit that a consumer derives from consuming a particular quantity of goods or services.

Budget Constraint

The limit that the size of a consumer’s income (and the prices that must be paid for goods and services) imposes on the ability of that consumer to obtain goods and services.