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October 22, 2014

Homework Help: Physics

Posted by Nikita on Sunday, October 18, 2009 at 4:01pm.

An object is thrown vertically upward.
a) What are its velocity and acceleration when it reaches its highest altitude?
b) What is its acceleration on its way downward half a meter above the ground?


My ans:
a) velocity is zero and acceleration is 9.8 m/s^2
b) i am not sure but i think acceleration should still be 9.8m/s^2

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