This is why Spidey stretches in the morning

Classical Mechanics Level 2

In the movie Spiderman 2, there's a famous minute or two long scene where Spiderman stops a train. If the initial speed of a five car out of control subway train was around the top speed of the NYC subway (27 m/s), and Spiderman stopped the train in exactly one minute, then what is the magnitude of the force in Newtons that Spiderman exerted on the train as he stopped it?

Details and Assumptions

  • A standard New York City subway car full of terrified passengers has a mass of roughly 40,000 kg.
  • You may assume the acceleration was constant and any other forces are negligible.

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