A stone is thrown vertically upward.At the top of its vertical path its acceleration is A)zero. B)10 m/s². C)somewhat less than 10 m/s². D)undetermined.

Question

Quizplus · Accepted Answer

At the top of its vertical path, the acceleration of the stone is still 9.8 m/s² downward due to gravity, which is conventionally approximated as 10 m/s². Even though its velocity is momentarily zero at the peak, acceleration due to gravity remains constant.

A Stone Is Thrown Vertically Upward