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Kinetic Energy

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  • Kinetic Energy and Its Expression

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Kinetic energy

  • The energy possessed by any object by virtue of its motion is called its kinetic energy.

  • The kinetic energy of an object is a measure of the work an object can do by the virtue of its motion.

  • Kinetic energy is a scalar quantity.

  • If an object of mass m has velocity v, its kinetic energy K is

      `k = 1 / 2 mv^2`

         `= (p^2)/ (2m)`

where k=kinetic energy, m = mass of the object, U = velocity of the object and p = mv = momentum of the object.

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