A Plane Flying Horizontally at a Speed of 50 M/s

question 11

Multiple Choice

A plane flying horizontally at a speed of 50 m/s and at an elevation of 160 m drops a package,and 2.0 s later it drops a second package.How far apart will the two packages land on the ground if air resistance is negligible?

• A)100 m
• B)160 m
• C)180 m
• D)320 m

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Definitions:

Population Variances

A measure of the dispersion of a population data set, representing the average of the squared differences from the Population Mean.

Test Statistic

A value calculated from sample data during a hypothesis test, used to determine the likelihood of a hypothesis being true.

Level of Significance

The threshold in hypothesis testing that determines whether a p-value indicates a statistically significant result, typically set at 0.05 or 5%.

Critical Values

Specific points on the scale of the test statistic beyond which we reject the null hypothesis, depending on the level of significance set for the test.