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A box is sliding with a speed of 4.50 m/s on ahorizontal surface when, at point P, it encounters a roughsection. On the rough section, the coefficient of friction is notconstant, but starts at 0.100 at P and increases linearlywith distance past P, reaching a value of 0.600 at12.5 m past point P.
Part A) Use the work-energy theorem to find how far this boxslides before stopping
Part B) What is the coefficient of friction at the stopping point?
Part C) How far would the box have slid if the frictioncoefficient didn't increase, but instead had the constant value of0.100?
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