Numerade

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Problema: Para la siguiente configuración de cargas situadas en los vértices de un cubo de lados $s$. Calcula el campo eléctrico en el centro de una de sus caras. a) (25Puntos) Dibuja un diagrama vectorial totalmente detallado de las componentes de los vectores a considerar en el punto de interés (centro de una de las caras). Puedes ayudarte de una herramienta digital b) (25Puntos) Escribe la expresión para $\vec{E}$ en términos de las constantes: $q, s, k$ c) (25Puntos) Si $q = 1\mu C, s = 1cm$ dá un valor numérico para este campo eléctrico. d) (25Puntos) ¿Cuál es la dirección del campo eléctrico en el centro de la cara superior del cubo? Punto A

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Question 4 What role does Lipid A play in gram-negative bacteria? O It serves as an endotoxin. O It aids in DNA replication. O It acts as a nutrient source. O It functions as a cell wall stabilizer.

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When using the 100X objective in order to see the specimen well, you [ Select ] ["need a column of oil between the end of the objective and the coverslip", "do not need a column of oil between the end of the objective and the coverslip"] . For the microscope to work well oil needs [ Select ] ["get onto", "not get onto"] other parts of the microscope besides the 100X objective. After using immersion oil make sure to use [ Select ] ["lens paper to get off the oil from the 100X objective", "suck off oil using a pipet"] . After you have observed your specimen using the 100X objective, you [ Select ] ["must never go back to the 40X objective since will probably get oil on it", "may use any of the objective lens"] .

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Why do you suppose so great a fraction of the Sun's energy comes from its central regions?

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Objective:This activity has the purpose of helping students to apply the Reed-Frost model (Objective 3).Students Instructions:Apply the Reed-Frost Model to solve this problem. After starting, you will have 45 min to complete it. Submit your answer in Blackboard.This exercise is worth 1 point.The deadline is indicated on "Calendar", which is located in "Tools" in the Blackboard platform.Objective:This activity has the purpose of helping students to apply the Reed-Frost model (Objective 3).

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A 35-g block of ice at -14°C is dropped into a calorimeter (of negligible heat capacity) containing 400 g of water at 0°C. When the system reaches equilibrium, how much ice is left in the calorimeter? The specific heat of ice is 2090 J/kg • K, that of water is 4186 J/kg • K, and the latent heat of fusion of water is 33.5 × 104 J/kg. 35 g 38 g 32 g 41 g 33 g

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(d) (3 points) $\sum_{n=1}^{\infty} e^n \sin(2^{-n})$ (Hint: $\lim_{n\to\infty} \frac{\sin(2^{-n})}{2^{-n}} = 1$)

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Locate the critical points of the following function. Then use the Second Derivative Test to determine whether they correspond to local maxima, local minima, or neither. \[ f(x)=2 x^{2} \ln x-15 x^{2} \]

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is one of five general ethical principles stating that all persons are entitled to access to and benefit from the profession of psychology. Justice Fidelity and responsibility Beneficence and nonmaleficence Integrity

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What role do sensory receptors play in feedback loops to maintain homeostasis? Respond to stimuli Interpret stimuli Reverse the effects of stimuli Detect stimuli

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soledad c.