peytonjensen17
peytonjensen17 peytonjensen17
  • 25-04-2022
  • Physics
contestada

The spring of a dart gun exerts a force on a 0.02 kg dart as it is launched from the gun with 4.00 J of KE. At what velocity does the dart come out of the gun?

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Аноним Аноним
  • 28-04-2022

Let's see

  • KE=1/2mv²

m is mass and v is velocity

  • 2KE=mv²
  • 4(2)=0.02v²
  • 8=2v²/100
  • 2v²=800
  • v²=400
  • v=20m/s
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