physics

a block with a velocity 4m/s slides 8m across a rough horizontal floor before coming to rest.the coefficient of friction is.

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asked by kelly
  1. F * d = energy lost to friction = (1/2) m v^2

    m g mu d = (1/2) m v^2

    9.81 mu (8) = .5 (16) = 8

    mu = 1/g = about .1

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    posted by Damon
  2. .2

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  3. .80

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