D ww Answer: C B O -0.4 m- 0.4 m Two identical slender rods AB and BC are welded together to form an L- shaped assembly. The assembly is pressed against a spring at D and released from the position shown. Knowing that the maximum angle of rotation of the assembly in its subsequent motion is 58° with the horizontal (counterclockwise), determine the magnitude of the angular velocity of the assembly as it passes through the position where rod AB forms an angle of 27° with the horizontal.

D ww Answer: C B O -0.4 m- 0.4 m Two identical slender rods AB and BC are welded together to form an L- shaped assembly. The assembly is pressed against a spring at D and released from the position shown. Knowing that the maximum angle of rotation of the assembly in its subsequent motion is 58° with the horizontal (counterclockwise), determine the magnitude of the angular velocity of the assembly as it passes through the position where rod AB forms an angle of 27° with the horizontal.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

A homogeneous disk of mass m = 4 kg rotates at the constant rate wi = 12 rad/s with respect to arm OA, which itself rotates at the constant rate wz = 4 rad/s about the y- axis, determine: 1. Angular momentum of the disk about point A. 2. Angular momentum of the disk about point O. 3. The force-couple system representing the dynamic reactions at the support. Neglect the mass of of arm OA. 320 min 200 mm T = 100 mm
The ends of a 9-lb bar AB are constrained to move along slots cut in a vertical plate as shown. A resource of constant k = 3 lb/in. is attached to end A such that its tension is zero when e=0. If the bar is released from rest when e = 0, determine the angular velocity of the bar and the velocity of end B when =30°
A 5.32-kg disk A of radius 0.445 m initially rotating counter-clockwise at 436 rev/min is engaged with a 6.72-kg disk B of radius 0.275 m initially rotating clockwise at 528 rev/min, where the moment of inertia of a disk is given as I = ½ mi?. Determine their combined angular speed (in rpm) and direction of rotation after the meshing of the two disks. Remember to show clearly the equations that you use!!'
The rotor of a gas turbine is turning at a speed of 5,600 rpm when the turbine is turned off. It is observed that it takes 5 min for the rotor to come to rest. Assuming that the motion is uniformly accelerated, determine the angular acceleration of the rotor.
A 6-lb homogeneous disk of radius 3 in. spins as shown at the constant rate w1 = 60 rad/s. The disk is supported by the fork-ended rod AB , which is welded to the vertical shaft CBD The system is at rest when a couple M0 is applied as shown to the shaft for 3 s and then removed. Knowing that the maximum angular velocity reached by the shaft is 18 rad/s, determine (a) the couple M0) the dynamic reactions at C and D after the couple has been removed.
Inside a machine, two gears, A and B, HINGED at their centers, are meshed with each other such that gear A transmits torque and speed to gear B. Gear A has a mass mA=2 kg, radius rA=175 mm, and radius of gyration kA=150 mm. Gear B has a mass B=5 kg, radius rB=525 mm, and radius of gyration kB=400 mm. From rest, a counter-clockwise couple M of constant magnitude 6 Nm is applied to Gear A. Which of the following is closest to the magnitude of the angular acceleration of gear B, in radians per square seconds (rad/s2)?3.0044.814.9445.6
Problem 16.137 At the instant shown in (Figure 1), rod AB has an angular velocity WAB = 3.0 rad/s and an angular acceleration AB = 10 rad/s². The collar at C is pin-connected to CD and slides over AB. Figure 60° @AB αAB 0.75 m с 0.5 m B 1 of 1 Part A WCD= Determine the angular velocity of rod CD at this instant. Express your answer in radians per second to three significant figures. Enter positive value if the direction of velocity is counterclockwise and negative value if the direction of velocity is clockwise. IVE ΑΣΦΑ ↓↑ vec Submit Part B αCD = Request Answer Submit Determine the angular acceleration of rod CD at this instant. Express your answer in radians per second squared to three significant figures. Enter positive value if the direction of acceleration is counterclockwise and negative value if the direction of acceleration is clockwise. [Π ΑΣΦ Request Answer ? vec rad/s ? < rad/s² 8 of 8 Review
4
Two uniform cylinders, each of weight W=14 lb and radius r = 5 in, are connected by a belt as shown. Knowing that at the instant shown the angular velocity of cylinder A is 30 rad/sec counterclockwise, determine (a) the time required for the angular velocity of cylinder A to be reduced to 5 rad/sec, (b) the tension in the portion of belt between the two cylinders. *** Solve using the method of impulse-momentum *** B
A 240-lb block is suspended from an inextensible cable which is wrapped around a drum of 1.25-ft radius rigidly attached to a flywheel. The drum and flywheel have a combined centroidal moment of intertia of 10.5 lb-ft-s^2. At the instant shown, the velocity of the block is 6 ft/s directed downward. The bearing at A as a frictional moment of 60 lb-ft. What is the kinetic energy of the system after the block moved after 4ft? (in ft-lb)
Only need A, B, and C please.
Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A 4-kg slender rod is welded to the edge of a 3-kg uniform disk as shown. The assembly rotates about A in a vertical plane under the combined effect of gravity and of the vertical force P. Know that at the instant shown, the assembly has an angular velocity of 12 rad/s and an angular acceleration of 36.5 rad/s2, both counterclockwise. 120 mm Determine the force P. B The force P is D 240 mm с 240 mm (You must provide an answer before moving on to the next part.) |N.↓