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/m3. to give a resonance at 200 hz, to what tension must a spider adjust a 12 cm long strand of silk? include units.
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Biology, 22.06.2019 21:30
Azoologist is studying four very closely related feline species. she wishes to compare their gestation periods. an observational study is conducted where the zoologist observes the gestation period of 50 randomly selected felines in each species. a one-way anova test is run to test the hypothesis that the average gestation period is the same for each of the four species. a level of significance of 0.05 is used, and a p-value of 0.01 is calculated. based on this result, the conclusion that can be drawn is that:
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Biology, 23.06.2019 02:20
Which glial cells form myelin in the central nervous system?
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Biology, 23.06.2019 03:00
If we use blank to build a roof of the house and the temperature inside the house were the main c if we use to build the roof of the house, then the temperature inside the house will remain cooler. if we use to build the walls and floors of the house then the temperature inside the house will remain cooler. if we use to bring electricity into the home then it will allow electricity to flow into the home at a faster rate . if we use to construct the latches on the windows and doors then the magnetism will keep the latches secure.
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Spiders may "tune" strands of their webs to give enhanced response at frequencies corresponding to t...
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