Question

The mass of an object with 500 J of kinetic energy moving with a velocity of 5 m/s is

Answer 1

40kg

Explanation:

Given parameters:

Kinetic energy  = 500J

Velocity = 5m/s

Unknown:

Mass of the object = ?

Solution:

Kinetic energy is the energy due to motion of a body. It is expressed as:

          K.E = $\frac{1}{2}$ mv²

  m is the mass of the body

  v is the velocity

 To find the mass, make it the subject of the expression:

         m = $\frac{2 K.E}{v[tex]^{2}$}[/tex]

          m =   $\frac{2 x 500}{5[tex]^{2}$}[/tex] = 40kg

Learn more:

Kinetic energy brainly.com/question/6536722

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