NASA launches a rocket at
t
=
0
seconds. Its height, in meters above sea-level, as a function of time is given by
h
(
t
)
=
−
4.9
t
2
+
64
t
+
129
.
Assuming that the rocket will splash down into the ocean, at what time does splashdown occur?
Rounding to 3 decimal places, the rocket splashes down after
seconds.Rounding to the nearest meter, how high above sea-level does the rocket get at its peak?
The rocket peaks at
meters above sea-level.
