Asked by Blackagar

A stone is thrown up from the top of a platform with an initial velocity of 19.8m/s. If the top of the platform is taken to be the ground level, calculate The Velocity just before reaching the ground
Answered by Steve
it will be the same as when it went up.
Answered by jason
Since the platforms are both of the same height, the velocities will be exactly the same, albeit in a negative direction.

Therefore, your answer is -19.8mls.
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