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Q. A slide loving pig slides down a 37Â° incline in twice the time it would take to slide down a frictionless 37Â° incline. What is the coefficient of kinetic friction between the pig and the slide?

Q. When a rubber band is stretched a distance x, it exerts a restoring force F = -2x + 5x^5. What is the work done in stretching this rubber band from x=0 to x=2?

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