The Rotational Inertia of a Disk About Its Axis Is

question 4

Multiple Choice

The rotational inertia of a disk about its axis is 0.70 kg.m².When a 2.0 kg weight is added to its rim, 0.40 m from the axis, the rotational inertia becomes:

• A)0.32 kg.m²
• B)0.54 kg.m²
• C)0.70 kg.m²
• D)0.86 kg.m²
• E)1.0 kg.m²

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Definitions:

AVC

Average Variable Cost, which is the total variable costs (costs that change with production levels) divided by the quantity of output produced.

AFC

Average Fixed Cost; the fixed expenses of a company divided by the number of units produced.

AC

Typically refers to "air conditioning," a system for controlling the humidity, ventilation, and temperature in a building or vehicle.

Average Fixed Costs

The cost incurred by a company that does not change with the level of goods or services produced, averaged over a period.