A Stone of Mass 10 Kg Has a Rotational Inertia

question 51

Multiple Choice

A stone of mass 10 kg has a rotational inertia of 2.4 kg · m² about an axis A parallel to an axis through the center of mass. If axis A is 0.20 m from the center of mass axis, the rotational inertia about the center of mass axis is

• A) 0.40 kg · m².
• B) 2.0 kg · m².
• C) 2.4 kg · m².
• D) 2.8 kg · m².
• E) 4.4 kg · m².

---

Definitions:

Standard Deviation

An important measure in statistics that expresses the variability or spread of a dataset relative to its mean, indicating how spread out the data points are.

Random Variable

A variable representing numerical results from a stochastic process.

Random Experiment

An experiment or process in which all possible outcomes occur randomly with certain probabilities associated with each outcome.

Unbiased Coin

A coin for which the probability of landing on heads or tails is equal, implying fair outcomes.