A Projectile Fired from a Gun Has Initial Horizontal and Vertical

question 59

Multiple Choice

A projectile fired from a gun has initial horizontal and vertical components of velocity equal to 30 m/s and 40 m/s, respectively.
-What is the acceleration of the projectile when it reaches its maximum height?

• A)zero m/s²
• B)9.8 m/s², downward
• C)4.9 m/s², downward
• D)less than 9.8 m/s² and non-zero.
• E)Its magnitude is 9.8 m/s²; and its direction is changing.

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Definitions:

Earmarks

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Legislation that covers or addresses a wide range of areas, subjects, or issues in a detailed and inclusive manner.

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Expenses that are specifically earmarked or allocated for a particular purpose or project.

Public Choice Economists

Economists who apply economic theories and methodologies to the analysis of political behavior, focusing on the self-interested actions of voters, politicians, and bureaucrats.