Two Identical Gliders Slide Toward Each Other on an Air

question 119

Multiple Choice

Two identical gliders slide toward each other on an air track. One glider moves at 1 m/s and the other glider moves at 2 m/s. They collide and stick. The combined gliders move at

• A)1/2 m/s.
• B)1/3 m/s.
• C)1/6 m/s.
• D)3/4 m/s.
• E)1.5 m/s.

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Definitions:

Experimenter Bias

A process where the researcher's expectations or preferences influence the outcome of a study, potentially affecting the study's reliability or validity.

Placebo Pills

Inert tablets used in clinical trials to assess the effectiveness of a new medication by comparison with no treatment.

Agitation

A state of nervousness or unrest often displayed as excessive movement or speaking, common in various psychiatric conditions.

Potential Confound

A variable that might falsely make one believe that a causal relationship exists between two other variables.