Over a Short Interval near Time T = 0 the Coordinate

question 72

Multiple Choice

Over a short interval near time t = 0 the coordinate of an automobile in meters is given by x(t) = 27t - 4.0t³, where t is in seconds. At the end of 1.0 s the acceleration of the auto is:

• A) 27 m/s²
• B) 4.0 m/s²
• C) -4.0 m/s²
• D) -12 m/s²
• E) -24 m/s²

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Definitions:

Exergonic

Describes a reaction that ends with a net release of free energy.

Oxidized

A chemical process where a molecule, atom, or ion loses electrons, often leading to its reaction with oxygen.

Reduced

Often refers to the gain of electrons or decrease in oxidation state by a molecule, atom, or ion.

Ionized

The state of an atom or molecule when it has lost or gained one or more electrons, thus carrying a charge.