lollipop3994 lollipop3994
  • 12-04-2024
  • Physics
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A freight train with 286,000lb (130,000kg) four axle freight cars is travelling at 60mph (100kph) on concrete tie track with 136RE [68 kg] Rail. The track modulus k=8000lb./in/in [55 MPa]. Wheel diameter is ________.

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