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September 2, 2015

Homework Help: physics

Posted by meg on Saturday, September 13, 2008 at 9:45pm.

An object is thrown straight up. At the same instant that the object reaches its maximum height, a second object is dropped from this maximum height. Which object hits the ground first and why?

Also, a ball is thrown straight up. If the ball's initial velocity is considered positive, what is the acceleration of the ball while ascending? And how would you draw a vector diagram for this problem? Help me please! thanks.

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