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Pregunta: A hollow steel pipe supports a large sign as shown below in figure 1. The sign weighs 400 lbf, and is subjected to a uniform wind pressure a 4 lb/ft2. The dimension L of the sign is 10.0 feet. The outer diameter of the pipe is 6 inches, and the inner diameter is 5.5 inches. The weight of the pipe is negligible. 0SL Figure 1: Sign supported by vertical pipe
Pregunta: A hollow steel pipe supports a large sign as shown below in figure 1. The sign weighs 400 lbf, and is subjected to a uniform wind pressure a 4 lb/ft2. The dimension L of the sign is ...

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Una distribución esférica de carga ⁇ = ⁇ 0[1- R 2 b 2 R2b2] existe en la región 0≤R≤b.Esta distribución de carga está rodeada concéntricamente por una capa conductora de radio interior Ri > b >by
Una distribución esférica de carga  ρ= ρ0[1-R2/b2] existe en la región 0≤R≤b.Esta distribución de carga está rodeada concéntricamente por una capa conductora de radio interior Ri> r >by

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7 months 1 Answer 16 views Beginner