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pingpong240
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Homework Statement
A 47,000 kg locomotive is traveling at 13 m/s when its engine and brakes both fail. How far will the locomotive roll before it comes to a stop?
Homework Equations
v_f^2 = v_i^2 + 2ad
F=ma
The Attempt at a Solution
I've tried making a force diagram and working from there, but I'm not even sure if that's right. If I had to guess, I would solve for acceleration and use the equation above to get the desired distance, but I don't know how to do that! Please help!
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