A Particle Moves Along the X Axis According to the Equation

question 68

Multiple Choice

A particle moves along the x axis according to the equation x = 6t² where x is in meters and t is in seconds.Therefore:

• A)the acceleration of the particle is 6 m/s²
• B)t cannot be negative
• C)the particle follows a parabolic path
• D)each second the velocity of the particle changes by 9.8 m/s
• E)none of the above

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Definitions:

Observed Differences

Variations noted in the outcomes or characteristics of subjects within a study or experiment.

Normal Curve

A bell-shaped curve that represents the distribution of a set of data where most occurrences take place in the middle, near the average.

Bell-Shaped Distribution

A graphical representation of data that displays a normal distribution, which appears as a symmetrical bell-shaped curve.

Random Samples

A selection method used in research to gather participants from a larger population in a way that each individual has an equal chance of being chosen.