Numerade

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How much does the maximum emf produced by a generator (a rotating coil) change if the period of rotation is doubled? It is doubled It is quartered It is halved It is the same

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Which of the following is true of technological innovations? Multiple Choice Technological innovations help increase a country's gross domestic product. Technological innovations decrease the amount of output achievable from a given quantity of labor and capital. Technological innovations slow down product obsolescence and lengthen product development cycles. Technological innovations increase production costs and reduce product differentiation.

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Jen owns 10 shares of stock in Delta Fashions and wants to win a seat on the board of directors. The firm has a total of 100 shares of stock outstanding. Each share receives one vote. Presently, the company is voting to elect three new directors. Which one of the following statements must be true given this information?

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(b) Hence solve the equation $ \frac{\sin ^{2} x-\cos x-1}{2+2 \cos x}=\frac{1}{4} $ for $ 0^{\circ} \leqslant x \leqslant 360^{\circ} $.

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2. You have a stock solution of *E. coli* with an OD of 0.561. (Show all work for each question) a. What is the cell density of your stock solution? (0.5 points) 56100000 5.61 x107 b. You do a series of four 10-fold dilutions. If each tube holds 900 uL of Luria broth, what volume of the previous sample do you need to transfer to each tube? (0.25 pts) You would need to transfer 100 uL c. What is the cell density of each tube? (1 pt) 1 mL stock solution 900 uL LB 900 uL LB 900 uL LB 900 uL LB Cell Density: 5.61x106 5.61x105 5.61x104 5.61x103 56100 d. You plate 100 uL of the solution in the fourth tube on an LBA plate. After 24 hours of incubation at 37 degrees C, how many colonies do you expect to see on the fourth plate? (1 pt)

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13. Look at the diagram. \\ V B 4.0 m 2.0 m a. Calculate the minimum speed $v$ the ball must have in order to make it to position B. b. What speed will the mass have at B? c. Given that $v = 12.0 \text{ m/s}$, calculate the speed at A and B.

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21. A plant of genotype \frac{A}{a} \frac{B}{b} is testcrossed with \frac{a}{a} \frac{b}{b} If the two loci are 10 m.u. apart, what proportion of progeny will be AB/ab?

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Suppose that $\tan\theta = -\frac{15}{8}$ and $\frac{\pi}{2} < \theta < \pi$. Find the exact values of $\sin\frac{\theta}{2}$ and $\tan\frac{\theta}{2}$

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In this activity you will look at the impact that beneficial microbes have had. You will look at the importance of microbes on nutrient recycling in ecosystems. You will then examine how microbes are used in bioremediation to restore land that has been contaminated and in the treatment of human sewage. You will look at how microbes are used to improve human health and their use in industry. Finally, you will examine the use of microbes in biotechnology. You will complete the activity by examining the ethical issues of using human genes in microbes.

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ay = x^2 + 2x^4, xo = 1 by = sin(x), xo = 0 4. a) Using the Routh-Hurwitz array, prove that the critical gain Kcr = 32 and er = 7 rad/s. b) Using the Ziegler-Nichols method, design a PI and PID controller for the following system. [15 marks] Gs = s + 2 / s + 1 * s + 3

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montserrat m.