Math Problem Statement
Your friend throws a rock off of a cliff straight down with an initial speed of 7.50 m/s . Using a stopwatch, you determine it takes the rock 4.50 s to hit the ground below. How high is the cliff?
Solution
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Math Problem Analysis
Mathematical Concepts
Kinematics
Motion under gravity
Formulas
d = v_i * t + (1/2) * a * t^2
Theorems
Kinematic equations for uniformly accelerated motion
Suitable Grade Level
Grades 9-12
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