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March 29, 2017

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The 5 kg block in the figure slides down a frictionless curved ramp, starting from rest at a height of h = 3 m. The block then slides d = 12 m on a rough horizontal surface before coming to rest.What is the coefficient of friction between the block and the horizontal surface?

  • General Physics - ,

    initial PE= work done on friction
    mgh=mu*mg*sinTheta*12

    solve for mu

  • General Physics - ,

    Theta= arc sin 3/12, or sin theta= 3/12

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