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chap8_pzl.html "Energy Drop" Trapeze artist Lea stands at point A in the picture (marked by the blue square.) Under her knees she attaches a taut ten meter rope, tied to the ceiling at the point marked with a red dot. She lets herself go. At the bottom of the quarter circle she picks up her twin sister, who is standing at point B. Together they continue on the 10 meter radius circle until they come to a stop at the platform marked C. Between platforms B and C they rise vertically 2.5 meters.
Can you account for all the energy transformations in this stunt? 
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