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Sagot :
Given,
The mass of the car, m=1000 kg
The velocity of the car, v=20 m/s
The kinetic energy of an object is the energy of the body possessed due to its motion. The kinetic energy of a body is directly proportional to the square of the velocity of the object.
The kinetic energy of the car is given by,
[tex]E=\frac{1}{2}mv^2[/tex]On substituting the known values,
[tex]\begin{gathered} E=\frac{1}{2}\times1000\times20^2 \\ =200000\text{ J} \\ =200\text{ kJ} \end{gathered}[/tex]Thus the kinetic energy of the given car is 200 kJ.
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