Question: Playing near a road construction site, a child falls over a barrier and down onto a dirt slope that is angled downward at 35o to

Playing near a road construction site, a child falls over a barrier and down onto a dirt slope that is angled downward at 35o to the horizontal. As the child slides down the slope, he has an acceleration that has a magnitude of 0.50 m/s2 and that is directed up the slope. What is the coefficient of kinetic friction between the child and the slope?

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