Rope slack

Between two streets, 20 m away, give the lamp in the middle and hang 60 cm below the taut rope. Can it be done with a 20.5 meters rope?

Result

z=




Step-by-step explanation:

(x/2)2 = (20/2)2 + 0.62 (x/2)2 = 100.36 x/2 = 10.017983829095 x = 20.035967658189  m x < 20.5  m  z=1



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