Math Problem Statement
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 + 295 t + 409 .
Assuming that the rocket will splash down into the ocean, at what time does splashdown occur?
The rocket splashes down after seconds.
How high above sea-level does the rocket get at its peak?
The rocket peaks at meters above sea-level.
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Vertex of a Parabola
Projectile Motion
Formulas
Quadratic equation: ax^2 + bx + c = 0
Quadratic formula: t = (-b ± √(b^2 - 4ac)) / 2a
Vertex formula: t_vertex = -b / 2a
Theorems
Quadratic formula
Projectile motion maximum height
Suitable Grade Level
Grades 9-12
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