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A horizontal force of 80 N acts on a mass of 6 kg resting on a horizontal surface. The mass is initially at rest and covers a distance of 5 m in 0.92 s under the action of the force. Assuming there are no energy losses due to air resistance and therefore that the acceleration is constant: Calculate the total energy expended in the acceleration. Plot a graph of the Kinetic energy of the mass against time Plot a graph of the kinetic energy of the mass against distance Calculate the coefficient of friction between the mass and the surface.

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