Asked by sushma

A stone is thrown vertically upward with a speed of 15m/s.what is the acceleration of the stone in its highest point of its motion?
Answered by drwls
The acceleration is
a = -g = -9.8 m/s^2
at all times the stone is in the air.

It does not depend upon the initial thrown velocity.

The minus sign is there because the acceleration is in a downward direction.
Answered by Elena
Acceleration is "g" at each point of the trajectory
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