An Electron Is Shot from an Electron Gun with a Speed

question 28

Multiple Choice

An electron is shot from an electron gun with a speed parallel to and a distance of 2.0 cm above a long straight wire carrying a current of 10A. The magnitude of its acceleration at the instant it leaves the electron gun is 6.1 * 10¹¹ m/s .What is the speed of the electron.

• A)1.3 * 10⁴ m/s
• B)2.2 * 10⁴ m/s
• C)3.5 * 10⁴ m/s
• D)4.8 * 10⁴ m/s

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Definitions:

Double-subscripted Variables

Variables identified by two subscripts, commonly used in mathematical and scientific contexts to denote elements in matrices, tables, or double-entry arrays.

Capacity Constraint

A limitation on the resources available for production, such as time, labor, or materials, which can affect the maximum output levels.

Double-subscripted Variables

Variables in mathematical modeling that are indexed by two sets, often used to represent the elements in a matrix or a two-dimensional array.

Capacity Constraint

A limitation or restriction on the maximum level of output that a system or process can handle.