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An object of mass 20.0 kg is at rest at the top of an inclined...

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An object of mass 20.0 kg is at rest at the top of an inclined plane whose length is 12.0 m and which makes an angle of 30.0 with the horizontal. The coefficient of kinetic friction between the object and the inclined plane is 0.400. The object is released and slides down the plane. What is the kinetic energy of this object at the bottom of the inclined plane? Use g = 10.0 m/s. 173 J200 J600 J369 J300 J

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