For a Two-Body Collision, Involving Objects with Different Masses, a Frame

question 42

Multiple Choice

For a two-body collision, involving objects with different masses, a frame of reference which has the same velocity relative to the laboratory as does the center of mass of the two objects is:

• A)a frame for which the momentum of the incident object is zero
• B)a frame for which the momentum of the target object is zero
• C)a frame for which the average momentum of the two objects is zero
• D)a frame for which the total momentum of the two objects is zero
• E)none of the above

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Definitions:

Conditioned Stimulus

An initially neutral stimulus that, after association with an unconditioned stimulus, triggers a conditioned response.

Unconditioned Response

An automatic, innate reaction to a stimulus without prior learning or conditioning.

Positive Reinforcers

In behavioral psychology, stimuli that, when presented following a behavior, increase the likelihood of that behavior being repeated.

Negative Reinforcers

In behavioral psychology, an unpleasant stimulus whose removal leads to an increase in the likelihood that a preceding behavior will be repeated in the future.