schneidersamant9815 schneidersamant9815
  • 13-12-2022
  • Physics
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a 5.0 cross times 10 to the power of 5 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.400 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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