Math Problem Statement
A train brakes from 40 m/s to a stop over a distance of 100 m.
a) What is the acceleration of the train?
b) How much time does it take the train to stop?
Solution
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Math Problem Analysis
Mathematical Concepts
Kinematics
Acceleration
Linear Motion
Formulas
v^2 = v_0^2 + 2ad
v = v_0 + at
Theorems
Kinematic equations for uniformly accelerated motion
Suitable Grade Level
Grades 9-12
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