In Figure 7-50, the coefficient of kinetic friction
Chapter , Problem 67(choose chapter or problem)
In Figure 7-50, the coefficient of kinetic friction between the 4.0-kg block and the shelf is 0.35. (a) Find the energy dissipated by friction when the 2.0-kg block falls a distance y. (b) Find the change in the mechanical energy of the two-blockEarth system during the time it takes the 2.0-kg block to fall a distance y. (c) Use your result for Part (b) to find the speed of either block after the 2.0-kg block falls 2.0 m.
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