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What is the force constant k of the spring

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Reference no: EM131605311

A 3.00 ? 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.500 m by a large spring bumper at the end of its track. What is the force constant k of the spring?

Need help getting the answer in N/m.

Reference no: EM131605311

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