Posted by **christy** on Thursday, July 15, 2010 at 12:02am.

rocket launched from a 90 meter high building, upward speed of 20 meters per second. what will it's height be after 3 seconds.

given the polynomial h + vt -4.9t^2

90 +(20) (3) - 4.9 (3)^2

Is the answer 130.4 ?

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