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Problem: Spiders may "tune" strands of their webs to give enhanced response at frequencies corresponding to the frequencies at which desirable prey might struggle. Orb web silk has a typical diameter of 0.0020 mm, and spider silk has a density of 1300 kg/m^3.
Required:
To give a resonance at 140 Hz , to what tension must a spider adjust a 16 cm long strand of silk?
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