chambersdesiree1 chambersdesiree1
  • 02-03-2022
  • Chemistry
contestada

What is the mass of an object that is moving at 8.0 m/s and has 70.0 J of kinetic energy?

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AsiaLynx002
AsiaLynx002 AsiaLynx002
  • 02-03-2022

Explanation:

[tex]ke = \frac{1}{2} \times m \times {v}^{2 } \\ m = \frac{2 \times ke}{ {v}^{2} } \\ m = \frac{2 \times 70.0}{ {8}^{2} } \\ m = \frac{140}{64} = 2.1875[/tex]

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