November 28, 2015

Homework Help: Algebra

Posted by Amy on Thursday, April 18, 2013 at 8:02pm.

An object is launched upward from the ground with an initial vertical velocity of 40 feet per second. After how many seconds does the object reach a height of 25 feet? I need to use the vertical motion model. Here is my work so far.
h = -17t^2 + 40t + 25

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