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Orb spiders make silk with a typical diameter of 0.15 millimeter.
a) A typical large orb spider has a mass of 0.50 kilogram. If this spider suspends itself from a single 12 centimeter long strand of silk, determine by how much will the silk stretches?
b) Find the maximum weight that a single thread of this silk could support?
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A ray of light strikes a flat, 2.00-cm-thick block of glass (n = 1.54) at an angle of ? = 29.2° with respect to the normal (see figure below). Find the angle of refraction at the top surface. Find the angle of incidence at the bottom surface and the..
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