A rock is thrown vertically into the air. At the top of its path, its acceleration is A)zero. B)10 m/s². C)between 0 and 10 m/s². D)greater than 10 m/s².

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Quizplus · Accepted Answer

At the top of its path, a rock thrown vertically still experiences the acceleration due to gravity, which is approximately 9.8 m/s^2 downwards (rounded to 10 m/s^2 for simplicity). This acceleration is constant throughout the rock's flight, regardless of its velocity at any point.

A Rock Is Thrown Vertically into the Air