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Find the characteristic frequencies and the characteristic modes of vibration as in Example 7 for the following arrays of masses and springs, reading from top to bottom in a diagram like Figure 12.3.
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Mathematical Methods in the Physical Sciences
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- a) Find the distance between m = [-2,3,2,0,3, -13, -5] and n = %3D [4, –1,1, –5, 0, 11, –3].arrow_forwarde.com/u/1/c/MJMZOTYZMZK5NZEY/a/MjcwNTE5NDQINjgy/details TEKSING TOWARD STAAR O 2014 edf Open w th STAAR Category 3 Grade 8 Mathematics TEKS 8.7C 3. Loretta has a patio in the shape of a trapezoid. The floor of the patio is shown in the sketch below. 12 feet 5 feet Wood Planks Brick 15 feet Loretta wants to put trim around the edge of the floor share an edge with the brick part. How many feet of trim will she need? the patio that is od planks that does not A 10 feet B 12 feet C 9 feet 6. D 28 feet Page 2 / 5 Q + ASUS 96 6 7 8.arrow_forwardHead movement evaluations are important because disabled individuals may be able to operate communications aids using head motion. A paper reported the accompanying data on neck rotation (in degrees) for 14 subjects both in the clockwise direction (CL) and in the counterclockwise direction (CO). For purposes of this exercise, you can assume that the 14 subjects are representative of the population of adult Americans. Subject: CL: Find the df. df = CO: 1 2 3 57.1 35.7 54.5 4 56.8 5 6 51.1 70.8 7 Find the test statistic. (Round your answer to two decimal places.) t = 8 77.3 51.6 9 Use technology to find the P-value. (Round your answer to four decimal places.) P-value = 10 11 12 13 14 44.3 52.1 60.2 52.7 47.2 65.6 71.4 48.8 53.1 66.3 59.8 47.5 64.5 34.4 Based on these data, is it reasonable to conclude that mean neck rotation is greater in the clockwise direction than in the counterclockwise direction? Carry out a hypothesis test using a significance level of 0.01. (Use HCL - "Co.) 54.7…arrow_forward
- The measurements of spread or scatter of the individual values around the central point is called a. Measures of dispersion b. Measures of kurtosis c. Measures of central tendency This d. Measures of skewnessarrow_forwardSituation 3 (Items 48-49). The composite shaft, consisting of aluminum, copper, and steel sections, is subject to the loading shown in Figure 3. Determine the following: 49. The displacement of end A with respect to end D. A. -0.003414 in. B. 0.00934 in. C. -0.00122 in. D. 0,00157 in.arrow_forwardThe table available below shows the weights (in pounds) for a sample of vacuum cleaners. The weights are classified according to vacuum cleaner type. At a = 0.05, can you conclude that at least one mear vacuum cleaner weight is different from the others? Click the icon to view the vacuum cleaner weight data. I DU I DLU Ha: At least one of the means is different. i Weight of Vacuum Cleaners by Type O B. Ho: At least one of the means is different. Ha: HBU = HBLU = HTC O C. Ho: HBu = "BLU = HTC Ha: HBU * HBLU # HTC Bagged upright Bagless upright Top canister 23 24 20 23 21 26 20 22 19 19 17 22 O D. Ho: HBU # HBLU # HTC Ha: HBU = HBLU = HTC 24 23 26 21 22 23 What is the test statistic? Print Done F = (Round to two decimal places as needed.)arrow_forward
- The data in the table below consist of measurements y₁, y2, y3, and yn of the ramus bone at four different ages on each of 20 boys. 1. Find y. 2. Find Sn 3. Find R Ramus Bone Length at Four Different Ages for 20 Boys. Age Individual 1 23 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 8 yr (yi) 47.8 46.4 46.3 45.1 47.6 52.5 51.2 49.8 48.1 45 51.2 48.5 52.1 48.2 49.6 50.7 47.2 53.3 46.2 46.3 8½ yr (Y2) 48.8 47.3 46.8 45.3 48.5 53.2 53 50 50.8 47 51.4 49.2 52.8 48.9 50.4 51.7 47.7 54.6 47.5 47.6 9 yr (Y3) 49 47.7 47.8 46.1 48.9 53.3 54.3 50.3 52.3 47.3 51.6 53 53.7 49.3 51.2 52.7 48.4 55.1 48.1 51.3 9½ yr (Y4) 49.7 48.4 48.5 47,2 49.3 53.7 54.5 52.7 54.4 48.3 51.9 55.5 55 49.8 51.8 53.3 49.5 55.3 48.4 51.8arrow_forwardAaBbC AaBbCc HAD AaBbCc. U abe x, x' A- 三 T List Para... I Normal T No Spaci... Heading 1 Heading 2 Title Subtitle Font Paragraph Styles Table 1. Mid-year population and number of deaths by age and gender in a country in a certain year Age group Males Females Mid-year population 124561 (live births) Number of deaths Mid-year population 123018 (live births) Number of deaths 0-1 1887 1756 1-4 1422461 1678 1380876 1329 5-14 3062132 1498 2968823 1020 15-24 2430567 2910 2319436 1437 25-44 4101987 9746 4023984 5943 45-64 2755345 37128 2754732 18654 65+ 1045258 2081 1143125 1923 a) Age specific death rates for the age groups 1-4 to 65+ for: a) total, b) male, and c) female and present the results by line diagram. Comnment on your resultsarrow_forwardI need fast plzarrow_forward
- 24. What is caused by the interference of sound waves? a. Echoes b. Doppler effect c. Standing waves d. Pitcharrow_forward2. (4 pts.) What is the difference between a Hamiltonian path and an Eulerian path? 3. (10 pts. total) A traveling salesman has to fly from the home base in Orlando to Atlanta, New York, and Chicago (although not necessarily in that order) and then return home. The current airline ticket prices in $ are given in the table below. Orlando Atlanta New York Chicago Orlando 400 480 450 Atlanta 400 360 470 New York 480 360 460 Chicago 450 470 460 a) Draw a weighted graph that represents this problem in the space below. Use the first letter of the city when labeling each vertex. b) Find the weight (price) of the Hamiltonian circuit formed using the nearest neighbor algorithm. Give the vertices in the circuit in the order they are visited in the circuit as well as the total weight (price) of the circuit. Remember to include the unit of measure in your fin answer.arrow_forward3.11. Find and classify the stationary points of f(x) = 2x} + 4x,x} – 10x,x, + x} as shown in Figure 3.19.arrow_forward
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage