jerseyraex jerseyraex
  • 09-11-2021
  • Physics
contestada

Hot air balloon with a kinetic energy of 76550J and a mass of 1890kg.
what’s the velocity?

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discipulus
discipulus discipulus
  • 09-11-2021

Answer:

[tex]K.E = \frac{1}{2} m {v}^{2} \\ 76550 = \frac{1}{2} (1890) {v}^{2} \\ {v}^{2} = \frac{76550}{945} \\ = 81.005 \\ v = \sqrt{81.005} \\ v \approx \: 9m. {sec}^{ - 1} [/tex]

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