A particle travels along a straight line path according to the equation of motion s = 
where t is in seconds and s is in meters.Find the velocity of the particle at t = 4.
Definitions:
Operant Conditioning
A learning process through which the strength of a behavior is modified by reinforcement or punishment, pioneered by B.F. Skinner.
Contingency Management
A therapeutic intervention that uses reward and punishment to encourage desirable behaviors and discourage unwanted ones.
Aversion Therapy
A form of behavior therapy that involves reducing or eliminating undesirable behaviors by associating them with discomfort or an unpleasant stimulus.
Complete Abstinence
is the practice of refraining from the use of alcohol or drugs entirely, often as a strategy in the treatment of substance use disorders.
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