MellanieV279521 MellanieV279521
  • 31-10-2022
  • Physics
contestada

A car with a mass of 1,008 kg travels down a road at 59 m/s. What is the kinetic energy of the car in Joules?

Respuesta :

DeyonnaM577499 DeyonnaM577499
  • 31-10-2022

Givens.

• Mass = 1,008 kg.

,

• Speed = 59 m/s.

The kinetic energy of the car depends directly on its mass and its squared speed.

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

Where m = 1,008 kg and v = 59 m/s.

[tex]\begin{gathered} K=\frac{1}{2}\cdot1,008\operatorname{kg}\cdot(59\cdot\frac{m}{s})^2 \\ K=504\operatorname{kg}\cdot3,481\cdot\frac{m^2}{s^2} \\ K=1,754,424J \end{gathered}[/tex]

Therefore, the kinetic energy of the car is 1,754,424 Joules.

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