An object is launched at 19.6 m/s from a height of 58.8 m. The equation for the height (h) in terms of time (t) is given by h(t) = -4.9t2 +19.6t + 58.8. What is the object's maximum height?

Question

anonymous · Answer

A.	58.8
B.	194.04
C.	78.4
D.	117.6

anonymous · Answer

Find the vertex of the parabola.

anonymous · Answer

If you know any calculus, you can also differentiate that position equation to find velocity and set velocity =0.

anonymous · Answer

I don't):

anonymous · Answer

Given an equation in the form, y=ax^2 +bx +c, do you know how to find the vertex of the parabola?

anonymous · Answer

There are techniques such as completing the square or quadratic formula that will work for that.

anonymous · Answer

-19.6+39.6+58.8