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m-nica valero

m-nica v.

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Consider $CaCl_2$ dissolving in water. The thermometer placed in this solution showed that the temperature for this process increased. This means that the $\Delta H$ for the process is... Endothermic Exothermic Neither exothermic or endothermic

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Question 4 Suppose we wish to evaluate $\lim_{x \to 2^-} \frac{|2x - x^2|}{x - 2}$. Which of the following is true? Carefully read the answer choices and select all correct answer choices. $\lim_{x \to 2^-} \frac{|2x - x^2|}{x - 2} = \lim_{x \to 2^-} \frac{2x - x^2}{x - 2}$ because $|2x - x^2| = 2x - x^2$ for $x < 2$. $\lim_{x \to 2^-} \frac{|2x - x^2|}{x - 2} = \lim_{x \to 2^-} \frac{-(2x - x^2)}{x - 2}$ because $|2x - x^2| = -(2x - x^2)$ for $x < 2$. $\lim_{x \to 2^-} \frac{|2x - x^2|}{x - 2} = \lim_{x \to 2^-} \frac{2x - x^2}{x - 2}$ because $|2x - x^2| = \begin{cases} -(2x - x^2) & x \le 0, \\ 2x - x^2 & 0 < x < 2, \\ -(2x - x^2) & x \ge 2. \end{cases}$ $\lim_{x \to 2^-} \frac{|2x - x^2|}{x - 2} = \lim_{x \to 2^-} \frac{-(2x - x^2)}{x - 2}$ because $|2x - x^2| = \begin{cases} -(2x - x^2) & x \le 0, \\ 2x - x^2 & 0 < x < 2, \\ -(2x - x^2) & x \ge 2. \end{cases}$

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Find the volume of the parallelepiped with sides u, v, and w. Volume = u = (4,-5,4), v = (0,9,-4), w = (4,5,-6)

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Question 12 (1 point) Listen A life tenant does NOT hold the right to: grant an easement on the property. lease the property to a tenant. identify who inherits the property. mortgage or borrow money against the property.

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1) In the picture shown, Link 2 is rotating counterclockwise with an angular velocity of 10 rad/sec and a clockwise angular acceleration of 30 rad/s². Find the magnitude in mm/s, angle with respect to the x-axis, and quadrant of the linear acceleration of point A.

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31 During October, the firm had net credit sales of $10,140. From experience with similar businesses, the previous accountant had estimated that 1.0 percent of the firm's net credit sales would result in uncollectible accounts. Record an adjustment for the expected loss from uncollectible accounts for the month of October. 31 On October 31, an inventory of the supplies showed that items costing $2,740 were on hand. Record an adjustment for the supplies used in October. 31 On September 30, 20X1, the firm purchased a six-month insurance policy for $8,400. Record an adjustment for the expired insurance for October. 31 On October 1, 20X1, the firm signed a three-month advertising contract for $5,100 with a local cable television station and paid the full amount in advance. Record an adjustment for the expired advertising for October. 31 On April 1, 20X1, the firm purchased equipment for $83,000. The equipment was estimated to have a useful life of five years and a salvage value of $12,500. Record an adjustment for depreciation on the equipment for October. 31 Based on a physical count, ending merchandise inventory was determined to be $82,260.

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Period Component 0 1 2 3 4 5 NCF -500 45 57 60 63 600 Lo 400 LMPT -65 -65 -65 -65 -65 M*I 10 9 8.75 8.5 8 Ln -350 NCFad -100 -10 1 3.75 6.5 193 This information is on a per acre basis)

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4) Draw the Thévenin equivalent for the circuit below, considering the 2\Omega resistor at the right top (inside of dashed lines) as the load. (15 points) 6\Omega 2\Omega 4\Omega 16\Omega 2\Omega + + 2V 8\Omega 3V

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2. A 100V, dc shunt motor draws a total of 5A (line current) and drives a constant load torque at 1200 rpm with field current = 0.5A. The armature resistance of the motor is 0.4?. Neglecting rotational losses, if the motor field current is reduced to 0.3 A. a) Find the speed of the motor. (10 marks) b) Calculate the line current of the motor. (3 marks) c) Determine the mechanical power output of the motor. (3 marks) d) Find the efficiency of the motor. (4 marks)

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Question 1 10 pts Three parallel loads (10 Ohm resistance; 0.02 H inductance and a capacitance) circuit is connected to 230 V 60 Hz single phase power source. The power factor of the whole circuit is 0.86 lagging. What is the impedance (Ohm) of the circuit? ~7.54 -17.54 -31.19 -8.60

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