A Ball Player Wishes to Determine Pitching Speed by Throwing

question 91

Multiple Choice

A ball player wishes to determine pitching speed by throwing a ball horizontally from an elevation 5 m above ground level. The ball lands 20 m downrange. The player's pitching speed is about

• A)5 m/s.
• B)10 m/s.
• C)20 m/s.
• D)25 m/s.
• E)none of the above

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Definitions:

Preoperational

A stage in Piaget's theory of cognitive development where children from 2 to 7 years old engage in symbolic play and struggle with logic.

Concrete Operational

A stage in Jean Piaget's theory of cognitive development during which children gain the mental operations that enable them to think logically about concrete events.

Cognitive Development

The process of growth and change in intellectual capabilities that occurs from infancy, through childhood, and onto adulthood.

Erik Erikson

A psychoanalyst known for his theory on the psychosocial development of human beings, encompassing eight stages from infancy to adulthood.