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

---

Definitions:

Strip Bond

A bond where both the principal and regular interest payments have been separated and are sold individually.

Yield Rate

The rate of return on an investment over a specified period, expressed as a percentage, considering both interest and dividends.

Compounded Semi-annually

When interest is compounded semi-annually, it is calculated and added to the principal amount twice a year.

Whale Population

The total number of whales in a particular species or geographical area, often monitored for conservation purposes.