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jose luis knapp

jose luis k.

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A set of test scores is normally distributed with a mean of 95 and a standard deviation of 25. Use the 68-95-99.7 rule to find the percentage a. Greater than 95 b. Greater than 120 c. Less than 70 d. Less than 145 e. Less than 45 f. Less than 120 g. Greater than 70 h. Between 70 and 120 The percentage of scores greater than 95 is %. (round to one decimal place as needed.)

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13.57 The operational amplifier in the circuit in Fig. P13.57 is ideal. a. Find the numerical expression for the transfer function $H(s) = V_o/V_g$. b. Give the numerical value of each zero and pole of $H(s)$. c. Use the transfer function to find the unit step response for the circuit in Fig. P13.57. Figure P13.57 40 k$\Omega$ + $v_g$ 250 nF 500 nF 10 k$\Omega$ $V_{cc}$ + + -$V_{cc}$ $v_o$ 0

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What keeps the electrons from leaving an atom in the rutherford model of the atom

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Based on application of the VSEPR theory, which molecule should be nonpolar? CS$_2$ OF$_2$ CH$_3$CI NH$_3$ H$_2$O

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In the presence of oxygen, ethanol undergoes combustion to produce carbon dioxide and water.\ $C_2H_5OH(l) + 3O_2(g) \rightarrow 2CO_2(g) + 3H_2O(g)$\ Calculate the mass of $O_2$ required to produce 670. g of $CO_2$ using the balanced equation. Round your answer to 3 significant figures.

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27. (a) Presuma que un proyectil se lanza verticalmente desde la superficie $r = R$ de la Tierra con velocidad inicial $v_0 = \sqrt{2GM/R}$, tal que $v_0^2 = k^2/R$, donde $k^2 = 2GM$. Resuelva la ecuación diferencial $dr/dt = k/\sqrt{r}$ [de la Ec. (23) en esta sección] explícitamente para deducir que $r(t) \to \infty$ conforme $t \to \infty$. (b) Si el proyectil es lanzado verticalmente con velocidad inicial $v_0 > \sqrt{2GM/R}$, deduzca que $\frac{dr}{dt} = \sqrt{\frac{k^2}{r} + \alpha} > \frac{k}{\sqrt{r}}$. ¿Por qué se concluye una vez más que $r(t) \to \infty$ conforme $t \to \infty$?

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The core of the Buddhist ethical system is a commitment to: A treat your neighbor as yourself. B refrain from causing harm. C eye for an eye, tooth for a tooth. D avoid disobedience to the Buddha.

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Which of the following will NOT induce a current in a flat conducting loop sitting completely inside a region with a uniform magnetic field, regardless of the orientation of the loop? a) Spinning the loop about an axis perpendicular to the magnetic field. b) Moving the loop in a direction perpendicular to the magnetic field. c) Changing the area of the loop. d) Changing the strength of the magnetic field

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Find and simplify the derivative of $f(x) = x^{-3}(2x^4 + 4)$.\newline $2 - 12x^{-4}$\newline $2 + 12x^{-4}$\newline $-12x^{-1}$\newline $24x^{-1}$

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what is a response to the following statement: I definitely feel like this type of technology weakens our memory in regards to remembering certain pieces of information such as phone numbers or addresses. Personally I remember a few important ones like my mom and my grandma, however my brothers I don't know theirs by memory. However I do remember area codes and my own zip code and a handful of addresses. Although I think this type of technology definitely has an impact on our memory, people always used to have address books and phone books so I wouldn't say its solely our phones thats caused this, however your phone is always in your pocket and not everyone would carry around their address book. Its a little conflicting because the more you look something up on your phone the more likely you will remember it , so I wouldn't say that phones have destroyed our memorys, but they do have somewhat of an impact because I think it makes people not try as much to remember something as they would before phones.

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