Duck8140 Duck8140
  • 18-11-2022
  • Physics
contestada

In a railroad yard, a 2.5 * 104-kg boxcar moving at 8.5 m/s isstopped by a spring-loaded bumper mounted at the end of thelevel track. If k = 3.4 MN/m, how far does the spring compressin stopping the boxcar?

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