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Determine the kinetic energy of a 3.2 kg roller coaster car that is moving with a speed of 15.6 m/s.

Respuesta :

Chelboy

Answer:389.4 joules

Explanation:

kinetic energy=ke

Mass=m=3.2kg

Velocity=v=15.6 m/s

Ke=(m x v x v)/2

ke=(3.2 x 15.6 x 15.6)/2

Ke=778.752/2

Ke=389.4

Kinetic energy is 389.4 joules

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