In Which One of the Following Cases Is the Displacement

question 84

Multiple Choice

In which one of the following cases is the displacement of the object directly proportional to the elapsed time?

• A)a ball rolls with constant velocity
• B)a ball at rest is given a constant acceleration
• C)a ball rolling with velocity v_o is given a constant acceleration
• D)a bead falling through oil experiences a decreasing acceleration
• E)a rocket fired from the earth's surface experiences an increasing acceleration

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Definitions:

Expected Cell Frequency

The predicted number of observations that fall into a specific category or cell within a contingency table.

Sample Size

The number of observations or data points collected in a statistical sample.

Degrees of Freedom

The count of independent pieces of information available to estimate another statistic, crucial in defining the distribution of various test statistics.

Contingency Table

A table used in statistics to display the frequency distribution of variables to show the relationship between them.