tristinduncan tristinduncan
  • 08-12-2021
  • Physics
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an object has a kinetic energy of 14 j and a mass of 17 kg how fast is the object moving

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Аноним Аноним
  • 08-12-2021
  • KE=14J
  • Mass=m=17kg
  • Velocity=v=?

[tex]\\ \sf\Rrightarrow kE=\dfrac{1}{2}mv^2[/tex]

[tex]\\ \sf\Rrightarrow 14=\dfrac{1}{2}17v^2[/tex]

[tex]\\ \sf\Rrightarrow 17v^2=28[/tex]

[tex]\\ \sf\Rrightarrow v^2=28/17[/tex]

[tex]\\ \sf\Rrightarrow v^2=1.64[/tex]

[tex]\\ \sf\Rrightarrow v\approx 0.13m/s[/tex]

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