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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