A playground slide is in the form of an arc of a circle that has a radius of 12 m.The
Chapter 8, Problem 93(choose chapter or problem)
A playground slide is in the form of an arc of a circle that has a radius of 12 m.The maximum height of the slide is h 4.0 m, and the ground is tangent to the circle (Fig. 8-70). A 25 kg child starts from rest at the top of the slide and has a speed of 6.2 m/s at the bottom. (a) What is the length of the slide? (b) What average frictional force acts on the child over this distance? If, instead of the ground, a vertical line through the top of the slide is tangent to the circle, what are (c) the length of the slide and (d) the average frictional force on the child? hFigure 8-70 93.
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