A Runner Starts from Rest and with an Acceleration of 2.0

question 35

Multiple Choice

A runner starts from rest and with an acceleration of 2.0 m/s² travels a distance of 12 meters. The magnitude of the velocity of the runner at the end of the distance is

• A) 3.4 m/s.
• B) 5.7 m/s.
• C) 6.9 m/s.
• D) 7.5 m/s.
• E) 8.1 m/s.

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Definitions:

Substitution

A method for solving systems of equations where one of the equations is solved for one variable in terms of others, and that expression is substituted into the other equation(s).

Equations

Mathematical statements that assert the equality of two expressions, typically involving variables.

Solutions

The values or sets of values that satisfy an equation, inequality, system of equations, or other mathematical conditions.

Substitution

A method of replacing a variable with a value or another expression.