The Rotational Inertia of a Disk About Its Axis Is

question 53

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) 0.38 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:

Factor

A finance company to which businesses sell their accounts receivable—usually for a percentage of the total face value.

Prime Rate

The interest rate that commercial banks charge their best customers (usually large corporations) for short-term loans.