Thursday
October 30, 2014

Homework Help: algebra

Posted by Ressie on Tuesday, May 21, 2013 at 5:12pm.

The question I have is to solve the problem.
A model rocket is launched from the ground with an initial speed of 50 feet per second. The equation that models its height, h feet, off the ground t seconds after it was fired is
h=-16ft^2+50t
a)How high is the rocket 1 seconds after it was fired?
b)How long will it take the rocket to return to earth?

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