Civil Engineering Archive: Questions from March 27, 2023
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Lago de Oro receives a discharge from the Bienllano River, which has a flow of 184,960 ft^3/s with a total dissolved solids (TDS) concentration of 35 mg/l. The lake also receives a discharge from the
El lago El Oro recibe una descarga del río Bienllano que tiene un flujo de \( 184,960 \mathrm{ft}^{3} / \mathrm{s} \) con una concentración de sólidos disueltos totales (TDS) de \( 35 \mathrm{mg} /2 answers -
A municipal landfill consists of 4 cells each with an approximate depth of 20 feet. It is estimated that 4.9 tons of garbage are received daily at the landfill. A transfer station at the landfill comp
Un vertedero municipal consta de 4 celdas cada una con una profundidad aproximada de 20 pies. Se estima que en el vertedero se reciben diariamente 4.9 toneladas de basura. Una estación de trasbordo e2 answers -
By rubbing a plastic bar with a woolen cloth, it acquires a charge of 8.0 μC. How many billions of electrons are transferred from the woolen cloth to the plastic rod?
Al frotar una barra de plástico con un paño de lana, aquella adquiere una carga de \( 8.0 \mu C \). ¿Cuántos miles de millones de electrones se transfieren del paño de lana a la barra de plástic2 answers -
Object A has a charge of +2 µC and object B has a charge of +6 µC. Which statement is true? select one a.. FBA = -3F AB b. 3F BA = FAB C. It is required to know the distance. d. FBA=–FAB
El objeto \( A \) tiene una carga de \( +2 \mu C \) y el objeto \( B \) una carga de \( +6 \mu \mathrm{C} \). ¿Cuál enunciado es verdadero? \[ \begin{array}{l} \vec{F}_{B A}=-3 \vec{F}_{A B} \\ 3 \v2 answers -
Find the gradient vector field of \( f \), \[ f(x, y)=\ln (x+2 y) \] A. \( \nabla f(x, y)=\frac{1}{x+2 y} \hat{i}-\frac{2}{x+2 y} \hat{j} \) B. \( \nabla f(x, y)=\frac{1}{2 y} \hat{i}+\frac{2}{x+2 y}2 answers