erikaramirez2001 erikaramirez2001

20-02-2020
Physics

contestada

Determine the kinetic energy of a 7.5 kg roller coaster car that is moving with a speed of 42.8 m/s.

Respuesta :

salim22 salim22

20-02-2020

Answer:

kinetic energy = 1÷2 × mass ×velocity^2

kinetic energy = 1÷2 × 7.5 × 42.8^2

kinetic energy = 6869.4 Joules

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