stephanieflores18 stephanieflores18
  • 19-08-2020
  • Physics
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A catapult flings a stone at 16 m/s, giving it 1892 J of kinetic energy. What is the mass of the stone?

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Itzisabella
Itzisabella Itzisabella
  • 19-08-2020

Given:-

  • Velocity,v = 16 m/s

  • Kinetic energy = 1892 J

To be calculated:-

Calculate the mass of the stone.

Formula used:-

Kinetic energy = 1/2 × m × v²

Solution:-

We know that,

Kinetic energy = 1/2 × m × v²

⇒ 1892 = 1/2 × m × ( 16 )²

⇒ 1892 = 1/2 × m × 256

⇒ 1892 = 128m

⇒ m = 1892/128

⇒ m = 14.78 kg

Answer Link

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