A 24 kg girl slides down a playground slide that is 29 m, Ask an Expert

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A 24 kg girl slides down a playground slide that is 29 m high. When she reaches the bottom of the slide, her speed is 1.3 m/s. (a) how much energy was dissipated by friction? [ ] J (b) if the slide is inclined at 20 degree, what is the coefficient of friction among the girl and the slide?

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