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:

Money Growth Rate

The rate at which the total amount of money in an economy grows over a specific period, often considered a factor influencing inflation.

Nominal Wage

The wage paid to workers measured in current money terms, without adjustment for inflation.

Real Output

The total value of all goods and services produced in an economy, adjusted for price changes or inflation.

Relative-price Variability

The fluctuation in prices of goods and services relative to each other over time, often influenced by various economic factors.