(Ill) The coefficient of kinetic friction between
Chapter 5, Problem 5.103(choose chapter or problem)
(Ill) The coefficient of kinetic friction between twosurfaces is not strictly independent of the velocity of theobject. A possible expression for for wood on wood is0.20(1 + 0.0020'y2)where v is in m/s. A wooden block of mass 8.0 kg is at reston a wooden floor, and a constant horizontal force of 41 Nacts on the block. Use numerical integration [Section 2-9]to determine and graph (a) the speed of the block, and (b) itsposition, as a function of time from 0 to 5.0 s. (c) Determinethe percent difference for the speed and position at 5.0 sif /% is constant and equal to 0.20.
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