TiernanX722279 TiernanX722279
  • 03-11-2022
  • Physics
contestada

What is the mass of an object that has 795J of moving kinetic energy and is moving at 3.5 m/s ?

Respuesta :

NavinF491176 NavinF491176
  • 03-11-2022

Given data

*The given energy is k = 795 J

*The speed of the object is v = 3.5 m/s

The formula for the kinetic energy of the object is given as

[tex]k=\frac{1}{2}mv^2[/tex]

*Here m is the mass of the object

Substitute the known values in the above expression as

[tex]\begin{gathered} 795=\frac{1}{2}m(3.5)^2 \\ m=129.79\text{ kg} \end{gathered}[/tex]

Hence, the mass of the object is m = 129.79 kg

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