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A 500-kg package slides 1.50 m down a long ramp that is inclined at 24.0 degree below the horizontal. The coeficient of kinetic friction between the package and the ramp is uk+0.310. Calculate a) the wok done on the package by fiction b) the wok done on the package by gavity c) the work done on the package by the nomal force d) the total work done on the package e) if the package has a speed of 2.20 m/s at the top of the ramp, what is the its speed after sliding 1.5 m down the ramp?

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