Math Problem Statement
Zach, whose mass is 82 kg, is in an elevator descending at 9 m/s. The elevator takes 3.5 s to brake to a stop at the first floor. What is Zach's weight before the elevator starts braking?
Solution
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Math Problem Analysis
Mathematical Concepts
Newtonian Mechanics
Gravitational Force
Formulas
W = m * g (Weight Formula)
Theorems
Newton's Second Law of Motion
Suitable Grade Level
Grades 9-11
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