A Softball Player Determines Her Pitching Speed by Throwing a Ball

question 78

Multiple Choice

A softball player determines her pitching speed by throwing a ball horizontally from an elevation of 20 m above the ground.The ball lands 50 m downrange.What is her pitching speed?

• 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:

Living Lineages

Sequences of living organisms that are descended from a common ancestor, showcasing the path of evolution.

Mammals

A class of warm-blooded vertebrate animals characterized by the presence of mammary glands, hair or fur, and a neocortex.

Unique Feature

a distinct characteristic or element noticeable in a person, object, or place that sets it apart from others.

Evolutionary Pathway

A sequence of genetic, structural, or functional changes that occur in a biological lineage over time leading to diversification and speciation.