Solved: A block of mass m is at rest at the origin at t =
Chapter 6, Problem 6.112(choose chapter or problem)
A block of mass m is at rest at the origin at t = 0. It is pushed with constant force F0 from x = 0 to x = L across a horizontal surface whose coefficient of kinetic friction is mk = m011 - x/L2. That is, the coefficient of friction decreases from m0 at x = 0 to zero at x = L. a. Use what youve learned in calculus to prove that ax = vx dvx dx b. Find an expression for the blocks speed as it reaches position L
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