A Thin Stream of Water Is Pulled to a Statically

question 105

Multiple Choice

A thin stream of water is pulled to a statically charged balloon. Might a small ice cube also be pulled to a statically charged balloon?

• A)No, this behavior is unique to water while in it liquid state only.
• B)Yes, the same forces that cause the attraction in the liquid state are present in the solid state of water as well.
• C)Yes and No. While the ice remains completely solid, no attraction occurs. Once the ice begins to melt so that both phases are present, the attraction becomes apparent.
• D)Yes and No. Like the thin stream of water, the ice must be in motion in order for the attraction to be observed.

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Definitions:

Residual Value

The estimated salvage value of an asset at the end of its useful life.

Observation

An individual data point or measurement recorded during a study or experiment.

Linear Regression

A statistical method for modeling the relationship between a dependent variable and one or more independent variables by fitting a linear equation to the data.

Residuals

The differences between observed values and the expected values predicted by a model.