(Answered) A 24 kg girl slides down a playground slide that is 37 m

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A 24 kg girl slides down a playground slide that is 3.7 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?

(b) If the slide is inclined at 20°, what is the coefficient of friction between the girl and the slide?

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