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An 8.0-kg object moving 4.0 m/s in the positive x direction has a one-dimensional collision with a 2.0-kg object moving 3.0 m/s in the opposite direction. The final velocity of the 8.0-kg object is 2.0 m/s in the positive x direction. What is the total kinetic energy of the two-mass system after the collision?
Quasi-Experiment
An empirical study that resembles an experimental design but does not include random assignment of participants to conditions.
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A method of study that examines the relationship or association between two or more variables without inferring a causal connection.
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The extent to which the findings of a study can be generalized to other settings, populations, and times beyond the study conditions.
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