A particle moves with position function 
.
Find the normal component of the acceleration vector.
Definitions:
Pretend Play
A type of play in which children use their imagination to recreate experiences or bring created scenarios to life, often involving role-play.
Mental Acts
Processes of the mind that involve thinking, reasoning, problem-solving, and perceiving, among other cognitive activities.
Mutual Exclusivity Assumption
A principle often used in language learning, where children assume that objects have only one label or name.
Oxytocin
A pituitary hormone that stimulates labor contractions.
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