Physics, 20.11.2019 17:31, williamsjako

A3.12×10^5 kg subway train is brought to a stop from a speed of 2.65 miles per hour in 0.453 m by a large spring bumper at the end of its track. what is the force constant k of the spring?

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A3.12×10^5 kg subway train is brought to a stop from a speed of 2.65 miles per hour in 0.453 m by a...