A Plane Flying at 70

question 22

Multiple Choice

A plane flying at 70.0 m/s suddenly stalls. If the acceleration during the stall is 9.8 m/s² directly downward, the stall lasts 5.0 s, and the plane was originally climbing at 25° to the horizontal, what is the velocity after the stall?

• A) 66 m/s at 17° below the horizontal
• B) 66 m/s at 17° above the horizontal
• C) 80 m/s at 37° below the horizontal
• D) 80 m/s at 37° above the horizontal

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Statistically Significant

A measure indicating that the likelihood of an observed effect in a dataset is not due to chance, typically determined by a p-value.

Multiple Regression

A statistical technique used to model and analyze the relationships between a dependent variable and two or more independent variables.

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A statistical method that models the relationship between two variables by fitting a linear equation to observed data.