A Runner of Mass 61

question 68

Multiple Choice

A runner of mass 61.3 kg starts from rest and accelerates with a constant acceleration of 1.07 m/s² until she reaches a velocity of 8.1 m/s.She then continues running with this constant velocity.How far has she run (in meters) after 49.1 seconds?

• A)195.88
• B)229.18
• C)268.14
• D)313.72
• E)367.05

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Definitions:

Fischer Notation

A method used to represent the three-dimensional structure of molecules using two-dimensional projections, particularly sugars.

Enantiomers

Molecules that are mirror images of each other but cannot be superimposed on each other, often exhibiting different properties in a chiral environment.

Diastereomers

Stereoisomers characterized by having distinct physical properties and not being mirror reflections of one another.

(2R,4R)-2,4-dibromopentane

A chiral compound with a specific configuration, indicating the presence of bromine atoms on the second and fourth carbon of a five-carbon chain.