Prestonboatman
Prestonboatman Prestonboatman
  • 12-12-2016
  • Physics
contestada

how much force is needed to stop a 80-kg football player if he decelerates at 5 m/s2

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Аноним Аноним
  • 12-12-2016
According to Newton's 2nd law of motion, F =ma = 80x5 = 400N.
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