Math Problem Statement
You are driving at 22.0 m/s when you suddenly slam on the brakes to avoid a collision. You come to a complete stop. When you stop, your acceleration is determined by your tires and the road conditions, and it is a constant –9.60 m/s2. The skid marks you leave behind can be measured to determine your displacement. How long will your skid marks be?
Solution
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Math Problem Analysis
Mathematical Concepts
Kinematics
Physics
Constant Acceleration
Formulas
v_f^2 = v_i^2 + 2a d
d = (v_f^2 - v_i^2) / (2a)
Theorems
Kinematic equations for constant acceleration
Suitable Grade Level
Grades 9-12
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