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A walkway suspended across a hotel lobby is supported atnumerous points along its edges by a vertical cable above eachpoint and a vertical column underneath. The steel cable is1.16 cm in diameter and is 5.75 m longbefore loading. The aluminum column is a hollow cylinder with aninside diameter of 16.14 cm, an outside diameter of 16.24 cm, andan unloaded length of 3.25 m. When the walkway exerts a load forceof 7200 N on one of the supportpoints, through what distance does the point move down?
mm
Consider a violin string with a vibrating length of 30 cm. If the speed of a wave on this string is 250 m/s, what is the tension in the string? Hint: You will have to estimate the diameter of the string. Assume the density is the same as that of s..
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