scarlettkirkland22 scarlettkirkland22
  • 21-11-2020
  • Biology
contestada

the runner below has a mass of 55 kg and is moving at 3.87 m/s. what is his kinetic energy in joules

Respuesta :

Stephen46
Stephen46 Stephen46
  • 21-11-2020

Answer:

411.86 J

Explanation:

The kinetic energy of an object can be found by using the formula

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

m is the mass

v is the velocity

From the question we have

[tex]k = \frac{1}{2} \times 55 \times {3.87}^{2} \\ = 27.5 \times 14.9769 \\ = 411.86475[/tex]

We have the final answer as

411.86 J

Hope this helps you

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