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A Child Is Sitting on the Seat of a Swing

question 59

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A child is sitting on the seat of a swing with ropes 10 m long. Her father pulls the swing back until the ropes make a 37o angle with the vertical and then releases the swing. If air resistance is neglected, what is the speed of the child at the bottom of the arc of the swing when the ropes are vertical?


Definitions:

Disequilibrium Principle

The Disequilibrium Principle refers to the concept in cognitive development where learning occurs as individuals adjust to new information, leading to a state of balance between existing knowledge and new experiences.

Secondary Reinforcer

A stimulus that has acquired reinforcing properties through associations with primary reinforcers.

Negative Reinforcement

A behavior modification technique that involves the removal of an unpleasant stimulus to increase the likelihood of a desired behavior.

Negative Reinforcement

A process in behavior conditioning where a response or behavior is strengthened by stopping, removing, or avoiding a negative outcome or aversive stimulus.

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