Numerade

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tripple integral (1/sqrt(x^2 +y^2 + z^2))dV where D is the region outside of the sperical radius 1 and inside a spere of radius 2. Both centered at the origin and z >= 0

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Fill in the left side of this equilibrium constant equation for the reaction of azetidine ($C_3H_6NH$), a weak base, with water. $K_b$ X 5

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A point charge with charge q1 = 4.00 μC is held stationary at the origin. A second point charge with charge q2 = -4.20 μC moves from the point ( 0.155 m , 0) to the point ( 0.245 m , 0.230 m ). How much work W is done by the electric force on the moving point charge?

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Using the Rule of 72, approximately what interest rate is earned when an investment doubles over 11.9 years?

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If you were to hypothesize that communication students and history students will differ on their oral communication measures, you would have a ______. Group of answer choices null hypothesis nondirectional research hypothesis directional research hypothesis hypothesis type that cannot be determined

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A firm in a perfectly competitive market can choose the quantity they will produce and the price at which they will sell choose the quantity they will produce, but not the price at which they will sell choose the price at which they will sell, but not the quantity will produce choose neither the price at which they will sell nor the quantity they will produce

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Suppose that $\pi \le \theta \le \frac{3\pi}{2}$, $\tan(\theta) = \frac{9}{1}$, find $\sin(\theta) = $_____. (round to 3 decimal places)

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Use the sum-to-product identities to rewrite the following expression as a product.\\ $\sin(\frac{5\pi}{3}) - \sin(\frac{2\pi}{3})$

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3. (4pts) A three-phase transformer has electrical parameters $r_1 = r_2 = 5\Omega$, $X_{e1} = X_2 = 5\Omega$, and $X_m = 100\Omega$. The primary side of the transformer is connected to a 480 V (line-line), 60 Hz utility voltage source. The secondary side is connected to a Y-connected load with phase impedance (referred to the primary winding) of $Z_p = 3.75 + j1.25\Omega$. a) (3pts) Determine the $a$-phase current, the real and reactive power supplied by the voltage source, and the power factor seen by the source. b) (1pt) Assume that magnetizing impedance is very large ($X_m \to \infty$) and recalculate the $a$-phase current. What is the error in the magnitude of the current (compared to part a) using this assumption?

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What is the power being supplied by the circuit element shown in Fig. 1_1? Assume $i_1 = 5$ mA. + 2V 2 $i_1$ Fig. 1_1 20 mW -20 mW -4 W 4 W

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carmen c.