An Ion with a Charge of +3

question 52

Multiple Choice

An ion with a charge of +3.2 *10^?19 C is in region where a uniform electric field of 5 F*10^4.V/m is perpendicular to a uniform magnetic field of 0.8 T.If its acceleration is zero then its speed must be:

• A)0 m/s
• B)1.6 * 10^-5 m/s
• C)4.0*10⁵ m/s
• D)6.3* 10⁵ m/s
• E)any value but 0 m/s

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Definitions:

Depreciable Cost

The cost of a tangible asset minus its estimated salvage value, over which depreciation is calculated.

Depreciation Expense

An accounting method allocating the cost of a tangible asset over its useful life, reflecting its consumption, wear and tear, or obsolescence.

Expected Useful Life

The estimated length of time a fixed asset will be used in normal operations.

Placed in Service

Refers to the point in time when an asset begins to be used by a business for its intended purpose, marking the start of depreciation.