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.
To give a resonance at 150 Hz, to what tension must a
spider adjust a 12 cm long strand of silk?
Express your answer to two significant figures and include the
appropriate units.
T=
