What is the kinetic energy

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    What is the kinetic energy?


    Answer: Kinetic energy is the energy of an object in motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. The common symbol for kinetic energy is KE, Kk or T and the SI unit is joule(J).
    Ek = ½mv2
    Ek = Et+Er
    For example, Calculate the kinetic energy of an 80 kg mass (about 180 lbs) traveling at 18 metres per second (about 40 mph, or 65 km/h) as

    The Kinetic energy expression can be derived from the definition for work and from kinematic relationships. W net = K. E. f − K.E. o , where K. E. f is the final kinetic energy and K. E. o is the original kinetic energy.

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