Respuesta :

Kei2005

Answer:

Hello,

QUESTION)

A roller coaster is moving 10 m/s and a mass of 7 kg. The roller coaster has kinetic  energy.

✔ We have : Ek = 1/2m x v²; with Ek in J, m in kg and v in m/s

  • Ek = 1/2 x 7 x 10²
  • Ek = 350 J
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