Locate the centroid of the plate area shown in Figure. (SN/10) ft 1ft hat 2 ft- (MN/10) ft
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where sn 113 and mn is 76
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- Sailors use the following quadratic function to estimate wave height h, in feet, from wind speed w, in miles per hour: h = 0.02w2. (a) What wave height does the formula give for a wind speed of 35 miles per hour? ft(b) A sailor observes that the wave height is 6 feet. According to the formula above, what is the speed of the wind? (Round your answer to two decimal places.)In a certain region, Answer step by step (Explain). Answer must be correct. Answer follow image.IA-1 A speaker is sitting on level ground far from other objects. It produces a 400HZ tone with a sound output power of 7.50W. a) Find the intensity, pressure amplitude and displacement anmplitude of the sound waves 4.00m from the speaker. b) Find the wavelength of these sound waves.
- 2.6 times that developed in the aluminum: f, 2.6f, Because P AJ Apanhola + A,J. (2.6) (0.5) () + (0.5) () 5000, we have f. 2777 lb/in. and f- 7220 lb/in.¹ (The nA, value is often called a transformed area; the steel is considered to have been transformed into a modified area of aluminum that is structurally equivalent.) To find fal deformations, fa/B. 2777/11,300,000 0.000246 and AL, L-0.00245 in =/ft ANA QUESTIONS 2.1. A force of P defined by the angle 0,= 75° to the horizontal acts through a point. What are the components of this force on the x- and y-axes? [See Figure 2.59(Q1).] Questions. 211- L/2- 2.2. The components of a force on the x- and y-axes are 0.50P and 1.50P, respectively. What are the magnitude and direction of the force? [See Figure 2.59(Q2).J Answer: 1.58P at 0,= 71.5°. 2.3. The following three forces act concurrently through a point: a force P acting to the right at 0, 30° to the horizontal, a force P acting to the right at 0,= 45° to the hori- zontal, and a force P…An EPA standard for microparticulates in air is limited to a maximum of 50.0 ?μg/m3. Calculate the maximum ?μg microparticulates allowed by EPA standards in a room with dimensions 10.0 ft x 8.25 ft x 12.5 ft.Sulfur compounds cause “off-odors” in wine, so winemakers want to know the odor threshold, the lowest concentration of a compound that the human nose can detect. The odor threshold for dimethyl sulfide (DMS) in trained wine tasters is about 25 micrograms per liter of wine (μg/l). The untrained noses of consumers may be less sensitive, however. Here are the DMS odor thresholds for 10 untrained students: 31 31 43 36 23 34 32 30 20 24 Assume that the standard deviation of the odor threshold for untrained noses is known to be σ = 7 μg/l. The first condition of inference requires the 10 untrained students represent a simple random sample from all untrained consumers. This is not likely but we choose to believe so. The second condition requires the distribution of the thresholds for untrained noses is not too far from a normal distribution. Given the following stem plot, the second condition is also satisified. 2|0343|0112464|3 Give a 95% confidence interval for…
- Ĥ the to cease sotaling about te axis what cuell be chunge 9 at place f lalitude 60% asscumenp eaitR to be spfere of radiuy 640o km. eauth usere vabkio inYour calculated density of aluminum is d = 2.7 g/cm³. The accepted value of the aluminum density is 2.70 g/cm³. The percent error (follow significant figures rules) is: Just put the number, no need for the % signhow to solve for the density of air? can anyone explain why the answer is =0.00191 slug/ft^3?
- The answer for the first box is, 1808,3616, 0, 5424, 7232 (in unit of N/C). For the second box is, right, downward, 0 (no direction), left, upward. And for the third box is, 3.9, 2.0, 2.6, 7.9, 1.5 (in unit of cm)When a particular substance crystallizes, it forms a body-centered cubic unit cell. It has a molecular weight of 100.11 g/mole. The unit cell edge length is 341 pm. Calculate the density of this substance in g/cm3 .2.3 The average annual per person energy use in Cameroon is 14.3 GJ. Assume that 75% of this energy is used for cooking and heating. Compute the required mass of dry wood needed for cooking and heating. Repeat the calculation assuming only charcoal is used and again assuming only dried animal dung is used.