dan1209 dan1209
  • 12-06-2018
  • Physics
contestada

what is the kinetic energy of an object moving 40m/s with a mass of 20kg?

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AL2006
AL2006 AL2006
  • 12-06-2018
KE = (1/2) (mass) (speed)²

KE = (1/2) (20 kg) (40 m/s)²

KE = (1/2) (20 kg) (1,600 m²/s²)

KE = (10 kg) (1,600 m²/s²)

KE = 16,000 Joules
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spammingallowed
spammingallowed spammingallowed
  • 17-08-2021

Answer:

[tex]kinetic \: energy = \frac{1}{2} m {v}^{2} \\ \frac{1}{2} \times 20 \times 40 \\ = 10 \times 40 \\ = 400joule \\ thank \: you[/tex]

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