While Spinning Down from 500

question 20

Multiple Choice

While spinning down from 500.0 rpm to rest, a solid uniform flywheel does 5.1 kJ of work. If the radius of the disk is 1.2 m, what is its mass?

• A) 5.2 kg
• B) 4.4 kg
• C) 6.0 kg
• D) 6.8 kg

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Definitions:

Differential Effects

Refers to the varying impacts or outcomes that a treatment or intervention may have on different groups or conditions.

Analysis Of Data

The process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information and supporting decision-making.

Interaction Effect

Occurs when the effect of one independent variable on the dependent variable varies depending on the level of another independent variable.

Factorial ANOVA

A statistical test used to determine if there are any statistically significant differences between the means of three or more independent groups, based on multiple factors.