A tiny spider of mass 0.4 · 10−2 kg sits on its web, which hangs almost horizontally between two horizontal branches in a bush. As you come near, the spider becomes afraid you’re a predator, and begins vibrating the web, hoping to scare you off with the sudden motion. As it vibrates its web, the spider begins oscillate extremely rapidly up and down at a frequency of f = 8.5 Hz. If the web strands are about 0.1 m long and about 3.0 μm thin, what is Young’s modulus of the spiders web if there are eight radial spokes anchoring it to the branches? What can you conclude about the strength of spider silk?
A tiny spider of mass 0.4 · 10−2 kg sits on its web, which hangs almost horizontally between two horizontal branches in a bush. As you come near, the spider becomes afraid you’re a predator, and begins vibrating the web, hoping to scare you off with the sudden motion. As it vibrates its web, the spider begins oscillate extremely rapidly up and down at a frequency of f = 8.5 Hz. If the web strands are about 0.1 m long and about 3.0 μm thin, what is Young’s modulus of the spiders web if there are eight radial spokes anchoring it to the branches? What can you conclude about the strength of spider silk?
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