# 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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2. 👎 0
3. 👁 330
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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2. 👎 2
3. .80

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2. 👎 1

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