Asked by Jorge

A toy rocket is launched with an initial velocity of 44.1 meters per second from a 1 meter tall platform. The height h of the object at any time t seconds after launch is given by the function h (t)-4.9t squared +44.1t +1. How long after launch did it take the rocket to reach its maximum height? what is the maximum height obtained by the toy rocket?

Answers

Answered by Steve
as with all quadratics, the vertex is reached at t = -b/2a = 44.1/9.8

Now just find h(t) for that value.
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