3.27 A metal rod is bent into a circular arc of radius R with an arc of 270º. One end of the rod is fixed so that the arc lies in a horizontal plane. Give the magnitude and location of the maximum bending and twisting moments when a weight W is hung first at A, then B, then C. C A R 270° B Prob. 3.27
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- The parabolic cables of a 200-ft portion of the roadbed of a suspension bridge are positioned as shown. Vertical cables are to be spaced every 20 ft along this portion of the roadbed. Calculate the lengths of these vertical cables. es Choose the correct answer below. ools OA. 56 ft, 41.6 ft, 30.1 ft, 22.4 ft, 17.3 ft, and 16 ft OB. 56 ft, 41.4 ft, 30.4 ft, 22.2 ft, 17.6 ft, and 16 ft OC. 56 ft, 41.4 ft, 30.1 ft, 22.2 ft, 17.3 ft, and 16 ft OD. 56 ft, 41.6 ft, 30.4 ft, 22.4 ft, 17.6 ft, and 16 ft Help me solve this View an example Get more help. Clear all Skill builder 16 ft 200 ft orrTo celebrate the start of October, you want to win a pumpkincatapult contest, which requires you to build a catapult and launcha pumpkin from it. You build your catapult so that it releases thepumpkin when the catapult arm is exactly vertical, as shown inthe picture. a.Draw a picture and make a list of known and unknownquantities for the scenario b.Suppose the catapult arm has a length of R = 3 m and the pumpkin undergoes uniform circular motion with an acceleration of a = 75 m/s^2 before it is launched. What is the speed of the pumpkin at the moment it is launched?Find the resultant. 400 N F2 F1 300 N 3 30° 60° 12 F3= 150 N F,= 260 N 119.4 N, 84 deg 20 N, 18.4 deg 35.2 N, 16.7 deg 40.49 N, 29.6 deg
- Let R Sx TŤ and e tails at the same point. Which of the following is NOT true? 90° is the angle between S and T when they are drawn witn their B. -R= Tx S C. R.S=0 D.R.T=0 E. S-T 0 P of New leA. block stides initral if speed 6.4mls block cofficent The floor of Winetic e fumchion b between and whet iJ accaler ahin ? player far did IHow he slide?A race car travels 825 km around a circular sprint track of radius 1.313 km. How many times did it go around the track?
- A slender rod through the origin of the polar coordinate plane ro-tates (in the plane) about the origin at the rate of 3 rad/ min. A beetle starting from the point (2, 0) crawls along the rod toward the origin at the rate of 1 in./ min. a. Find the beetle’s acceleration and velocity in polar form when it is halfway to (1 in. from) the origin. b. To the nearest tenth of an inch, what will be the length of the path the beetle has traveled by the time it reaches the origin ?Find the angle between vectors D = (2.0 i - 4.0 j + k) m , and B= ( -2.0 i +3.0j + 2.0 k ) m A. 100o B. 154o C. 180o D. 45obelow shows The 71gure in equlibrum. The Block A has a ht o7 so.oN gq 400N, bbckB Thas weig ht 07 soroM and an atany allangerment of objets Ppe in the centre, Te, 1s hoizented O = 35° 9. Calulate tensian T3 b. Calculate tension z Caleylate tension 3 Tz C. Ang Calulate angle B 13
- E Figure 7 52 Part A mylabmastering.pearson.com M X P B-A = 22.7 Submit M B (B=26.5) 56.0% Ĵ Ā (A = 44.0) 28.0° t C(C= 31.0) C Given the vectors A and B shown in the figure ((Figure 1)), determine the magnitude of B-A. Express your answer using three significant figures. IVD ΑΣΦ Previous Answers Request Answer NOV 10 U ? - X units ✓ 4 < + P Course... 1 of 1 CtvA rectangular vessel is accelerated horizontally with acceleration equal to one half of gravity. 1. Find the angle that the water will make with the horizontal. a. 18.97° b. 36.87° c. 22.45° d. 26.56° 2. Find the angle that the water will make with the vertical. a. 66.75° b. 63.43° c. 53.13° d. 71.03°Need some assistance with this. l = 1.95 mm. w= 1.89 mm. h= 5.82 m. Coordinates for Point A is A(2,2,2)m Coordinates for Point D is D(2.25,2.5,0)m Force F acts along EA, (Magnitude is 55N) Force P acTS along AD 4. What is BC as position vector rBC. ( rBCx, rBCy, rBCz ) 5. What is BC as unit vector uBC. (uBCx, uBCy, uBCz ) 6. What is the moment that F creates around B ? (MB) 7. What is the magnitude of the moment that F creates around axis BC. ( |MBC| )