A 2-Kg Cart, Traveling on a Horizontal Air Track with a Speed

question 27

Multiple Choice

A 2-kg cart, traveling on a horizontal air track with a speed of 3 m/s, collides with a stationary 4-kg cart. The carts stick together. The impulse exerted by one cart on the other has a magnitude of:

• A) 0
• B) 4 N ∙ s
• C) 6 N ∙ s
• D) 9 N ∙ s
• E) 12 N ∙ s

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Definitions:

Counterbalanced Crossover Designs

A research method where participants are exposed to multiple conditions in a specific sequence to control for the effects of the condition order on outcomes.

Internal Validity

The degree to which the results of a study can be attributed to the interventions or variables being tested, rather than external factors.

Order Effects

The impact that the sequence of presenting stimuli or conditions can have on participant responses in an experimental design.

Systematic Bias

Describes a consistent, non-random distortion in data collection, analysis, or interpretation processes that can lead to inaccurate conclusions.