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bonnie andrews

bonnie a.

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• A 400 V, 6 pole, 3 phase, 50 Hz, 20 kW induction motor drives a load with a constant torque load at rated operating conditions (frequency, voltage, and power) at a speed of 1080 rpm. With your understanding on induction motor operation, highlight the impact of voltage and frequency towards operating speed of the motor

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We want to construct a box whose base length is 5 times the base width.The material used to build the top and bottom cost $20/ft2 and the material used to build the sides cost $8/ft2.If the box must have a volume of 50ft3 determine the dimensions that will minimize the cost to build the box. 3) Drawing any line with negative slope through the point (5,2) cuts off a right triangle from the rest of the first quadrant.Of all these lines, which one cuts off a right triangle having the least area?

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Only the size and shape of fossilized remains can be used to determine evolutionary relationships from the past. True False

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45. Gardners research has led to changes in: a) Educational assessment methods b) The classification of psychological disorders c) Personality testing d) Behavioral therapies

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Case Scenario: A patient with known rectal cancer underwent a core needle biopsy of the spleen to characterize a solid splenic lesion. The procedure was performed in the interventional radiology suite and ultrasound guidance was used to perform the procedure. Questions: 2.1, Which group of root operations would be used to select the root operation for this procedure and why? 2.2. Which root operation is assigned for this procedure and why? 2.3. What approach value would be assigned for a core needle biopsy performed with ultrasound guidance? 2.4. What code(s) should you assign? (Do not code the ultrasound guidance used in this case.)

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Resistance training every day is recommended for older adults because it will improve their muscular function and strength dramatically.

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Straight Wire Segment A straight wire segment of length $L$ makes an angle of 51 degrees with respect to the $x$ axis. The wire carries a current of 5.3 A in the direction shown in the figure. There is a magnetic field in the vicinity of the wire which points in the negative $z$ direction with a magnitude given by $B = B_0(\hat{z})$, where $B_0 = 4.4$ T and $L = 2.44$ m. If the wire is free to rotate about the $z$ axis, what is the magnitude of the torque on the wire segment? You may recall from PHGN100 that the general definition of differential torque is $\vec{r} \times d\vec{F}$. You also happen to have worked out $d\vec{F}$ in the first part of this problem. torque =

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According to the law of demand, when will higher corn prices reduce the quantity demanded of corn? a. When the supply of corn is fixed. b. When there are no shortages or surpluses of corn. c. Always. d. When nonprice determinants, like income and the number of buyers, are unchanged.

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For the next set of questions, use the ICE setup where appropriate. To approximate, you must demonstrate why it is okay to approximate by calculating $C_a/K_a$ or $C_b/K_b$ depending on if it is an acid or base reaction. 4. What is the pH of a 0.350 M solution of dissolved $HC_2H_3O_2$? $K_a$ is $1.8 \times 10^{-5}$. $HC_2H_3O_2(aq) + H_2O \rightleftharpoons H_3O^+(aq) + C_2H_3O_2^-(aq)$ 5. What is the pH of a 0.250 M solution of $HIO_3$ ($K_a = 1.6 \times 10^{-1}$)? $HIO_3(aq) + H_2O \rightleftharpoons H_3O^+(aq) + IO_3^-(aq)$

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Consider the following function in the s-domain: F(s) = 6 / (-6s + 13) Calculate the inverse transform of F(s) by following these steps. If you need to enter the Heaviside step function for any part of this question, you can type it as H(t). a. Calculate the following inverse Laplace transform: L^-1{F(s)} = ? Now use your previous answer and the second shift theorem to find the inverse Laplace transform of the first term: L^-1{6} = ? b. Find the inverse Laplace Transform of: L^-1{F(s)} = ? Hint: Write the denominator in the form (-6s + 13) = (s - a)^2 + b. You may need to factorize the numerator. c. Finally, find f(t): f(t) = L^-1{F(s)} = ?

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