Numerade

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A machine is defined as shown in the figure and parameter table. The bars AB and BC are identical and uniform. The spring has an unstretched length of 0.518 m. Find the mass of each bar if the system is at equilibrium. Also, what is the normal force acting on the wheel (take the positive direction to be to the A C L k $\theta$ B $\theta$ right)? parameter value units L 4 m $\theta$ 15 $^\circ$ k 200 N/m The mass of each bar = kg The normal force at C = N CC BY NO SA 2021 Cathy Zupke

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You have been asked to install a physical security control that will prevent unauthorized users from accessing the server room. Which of the following should you install? O SOHO firewall O IP camera Proximity reader O Degausser

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What does the Latin phrase "ceteris paribus" mean when used in philosophical or economic discussions? (Choose all that apply) Assuming no external changes With all due respect All other things being equal All things considered Given the same conditions

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Please describe how the sodium and potassium ion concentrations, both inside and outside the cell, establishes the -70 mV cell membrane potential. [Grading is based on completion. This is to help you test your knowledge of the material and be better prepare for the exam. My office hour is available for answer and explanation. I'm always happy to help!]

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Consider the following limit.\\ $\lim_{x \to 8} (9x + 8)$\\ Find the limit $L$.\\ $L = 80$\\ (a) Find $\delta > 0$ such that $|f(x) - L| < 0.01$ whenever $0 < |x - 8| < \delta$. (Round your answer to five decimal places.)\\ $\delta =$\\ (b) Find $\delta > 0$ such that $|f(x) - L| < 0.005$ whenever $0 < |x - 8| < \delta$. (Round your answer to five decimal places.)\\ $\delta = $

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QUESTION 25 Taxable Income Total Tax $0 $0 50,000 6,500 80,000 12,000 110,000 17,600 140,000 21,000 170,000 27,200 Refer to the personal income tax schedule given in the table. If your taxable income is $110,000, your average tax rate is 18 percent; your marginal rate on the last $30,000 is 19 percent. 19 percent; your marginal rate on the last $30,000 is 16 percent. 16 percent; your marginal rate on the last $30,000 cannot be determined from the information given. 16 percent; your marginal rate on the last $30,000 is 19 percent.

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In the absence of the SRY protein, the indifferent gonad atrophies. becomes an ovary. becomes a testicle. becomes both an ovary and a testicle.

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Step 2: State the null hypothesis. The anthropologist thinks that African American couples will have less relationship longevity than Latino couples. Identify the null and research hypotheses: H?: H?: This is a -tailed test. Step 3: Select the sampling distribution and establish the critical region. The anthropologist collects data from one sample of African American couples and another of Latino couples. With small samples, the t distribution is used to establish the critical region because the combined less than 100. Relationship Longevity African American Couples Latino Couples _X? = 18.4 years _X? = 24.1 years s? = 8 years s? = 9 years N? = 25 N? = 23 Use the t distribution table that follows to find the critical t-score, the value for a t-score that separates the tail from the main body of the distribution, forming the critical region. To use the table, you will first need to calculate the degrees of freedom (df). The degrees of freedom are . With ? = 0.01, the critical t-score is .

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Problem 3.22 The state of stress referred to axes $P_x_1x_2x_3$ is given in MPa by the matrix $\begin{bmatrix} 9 & 12 & 0 \\ 12 & -9 & 0 \\ 0 & 0 & 5 \end{bmatrix}$ Determine (a) the normal and shear components, $\sigma_N$ and $\sigma_S$, respectively, on the plane at P whose unit normal is $\hat{n} = \frac{1}{5}(4\hat{e}_1 + 3\hat{e}_2)$, (b) verify the result determined in (a) by a Mohr's circle construction similar to that shown in the figure from Example 3.5.

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What is the problem with the MC calculations? It is the change in total cost/change in quantity - that is what I did. This is a table for a competitive market. Fill in the following table: Quantity Produced 0 1,000 2,000 3,000 4,000 5,000 6,000 Fixed Cost Variable Cost 0 1,250 1,600 3,750 6,750 12,000 18,000 Total Cost Marginal Cost AVC ATC 800 800 800 800 800 800 800 800 2,050 2,400 4,550 7,550 12,800 18,800 1.25 0.35 2.15 3 5.25 6 1.25 0.8 1.25 1.69 2.4 3 2.05 1.2 1.52 1.89 2.56 Answer these questions, providing an explanation for each answer: (1) Given that the price is $2 per yard, how much should they produce and sell (assuming they are restricted to the choices here)? (Justify this both with marginal cost and marginal revenue reasoning and a "brute force" profit calculation.) (2) At what price should Thinkamajig consider a temporary shutdown? (3) At what price should Thinkamajig consider exiting the industry? (5) If Thinkamajig is a "typical" firm (that is, other firms have similar costs to Thinkamajig), where will prices end up in the long run? (6) Once prices stabilize, how much should Thinkamajig plan to produce? (7) If, at the stable price point, there is a demand for 10 million yards of twill fabric per day, how many firms will be operating?

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-ngeles q.