La 12 2 3 2 4 2 13 xa 13 9 4 pulg 1 3 ft lb 4 2 9 2

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la=122+32+42=13xa=139=4pulg=13ftlb=42+92=9.849xb=9.8499=0.07ftCONSERVACIÓN DE LA ENERGÍAT1+V1=T2+V2Ega+Eea=Eeb+Kb1(0.25)+12(0.1)x a2=12(0.1)xb2+12(0.2532.2)v2REEMPLAZADO XAY XBV=8.10fts

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