Using a Motion Sensor,Susana Finds That the Acceleration of a 4-Kg

question 31

Multiple Choice

Using a motion sensor,Susana finds that the acceleration of a 4-kg rock that has been dropped from the roof of a building is 6 m/s².She concludes that the magnitude of force of air resistance acting on the rock is approximately

• A)39.2 N
• B)24.0 N
• C)15.2 N
• D)9.81 N
• E)None of these is correct.

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Definitions:

Effect Size

A metric that quantifies the extent of an event or the force of association among variables.

Relationship Between Variables

The relationship between variables refers to how changes in one variable are associated with changes in another through correlation or causation.

Significance Level

The significance level, often denoted by alpha (α), is the threshold chosen by the researcher to determine the statistical significance of an outcome; it's the probability of rejecting the null hypothesis when it is true.

Highly Significant

A term used in statistical analysis to denote results that vastly exceed the threshold for statistical significance, often suggesting a strong effect or association.