Math Problem Statement
Physics tells us that an object projected at time t=0 from a point y0 feet above ground with an initial vertical velocity of v0 feet per second has a height above the ground after t seconds that is modeled by the function h(t)=−16t2+v0t+y0 . At that same time t, the distance the object has traveled is modeled by the function d(t)=v1t where v1 is the initial horizontal velocity.
Suppose a projectile is fired from a launcher 5 feet off of the ground with an initial vertical velocity of 100ft/s and an initial horizontal velocity of 115ft/s . Find the height of the projectile and its horizontal distance from the launcher after 3 seconds.
Solution
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Math Problem Analysis
Mathematical Concepts
Projectile Motion
Quadratic Functions
Linear Equations
Formulas
h(t) = -16t^2 + v_0t + y_0
d(t) = v_1t
Theorems
Equations of Motion
Kinematic Equations
Suitable Grade Level
Grades 9-12
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