A Car Starting from Rest Has a Constant Acceleration of 4

question 5

Multiple Choice

A car starting from rest has a constant acceleration of 4 meters per second per second. How long will it take to reach a speed of $20 \mathrm {~m} / \mathrm { s }$ ?

• A) 1.25sec
• B) 4sec
• C) 5sec
• D) 20sec

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Definitions:

Sample

A portion of the overall population picked for conducting studies or inquiries in order to collect demographic data.

Frequency Polygon

A graphical representation of the distribution of a dataset that shows how often each value occurs, connecting each data point by straight lines.

Frequency Distribution

A summarization of data by reporting the number of observations that fall within each range or bin of values for a specific variable.

Pie Graph

A circular chart divided into sectors, each sector shows the relative size of each value to the total.