Longjeremiahs529 Longjeremiahs529
  • 19-10-2022
  • Physics
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superman must stop a 120-km/h train in 150 m to keep it from hitting a stalled car on the tracks. if the train’s mass is , how much force must he exert? compare to the weight of the train (give as %). how much force does the train exert on superman?

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