If an Object Were to Suddenly Shrink and Decrease Its

question 57

Multiple Choice

If an object were to suddenly shrink and decrease its moment of inertia by a factor of 3,what is the difference in energy between the final and initial rotational kinetic energies?

• A)3 times initial K_rot
• B)9 times initial K_rot
• C)8 times initial K_rot
• D)2 times initial K_rot
• E)zero,K_rot remains the same

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Definitions:

Non-Probability Sampling

A sampling method where not all members of the population have an equal chance of participating, often used for convenience or when random sampling is impossible.

Strict Criteria

Rigorous and precise standards or conditions that must be met or followed in the execution of a task or study.

Accurate Inferences

The process of drawing reliable conclusions from data and evidence with a high degree of precision.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists between specific populations, or parameters, in the context of hypothesis testing.