*22-20. A uniform board is supported on two wheelswhich rotate in opposite directions at a constant angularspeed. If the coefficient of kinetic friction between thewheels and board is u, determine the frequency of vibrationof the board if it is displaced slightly, a distance x from themidpoint between the wheels, and released.Ex-|p--p-

Answered: Image /qna-images/answer/81eb9eb4-7de9-4c3d-bd9e-68e8d836537d.jpg

Answered: *22-20. A uniform board is supported on…

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

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The smooth surface of the vertical cam is defined in part by the curver - (0.2 cos 0+ 0.3) m. (Figure 1) Figure If the forked rod is rotating with a constant angular velocity of 4 rad/s, determine the force the cam and the rod exert on the 1.1-kg roller when 0-30°. The attached spring has a stiffnesss k- 30 N/m and an unstretched length of 0.1 m. Express your answers in newtons using three significant figures separated by a comma. Neam, Frod = Submit AΣo↓ vec Previous Answers Request Answer * Incorrect; Try Again; 3 attempts remaining < Return to Assignment Provide Feedback Kwi| ? N
Q5: The 15 kg cylinder rotates with an angular velocity of 40 rad/s. If a force F = 6 N is applied to the AB bar, as indicated, determine the time required to stop rotation. The coefficient of kinetic friction between the bar and the cylinder is 0.4. Disregard the thickness of the bar. F = 6N 400 mm- 500 mm B 150 mm-
3 m 1 m 1 m Determine the natural period of vibration of the pendulum if it is given a small displacement and released. Consider the two rods to be slender, each having a weight of 120 N/m.
Example: 18-63. The uniform 80-lb garage door is guided at its ends on the track. If it is released from rest at 0 = 0º, determine the door's angular velocity at the instant = 30°. The spring is originally stretched 1 ft when the door is held open, 0 = 0°. Assume the door can be treated as a thin plate, and there is a spring and pulley system on each of the two sides of the door. Solution: 8 ft A 8 ft B k = 9 lb/ft
Vipretion
The radius of the pulley is of inertia is I = 0.1 kg-m2. R = 100 mm The mass stant is k = 135 N/m. m = 5 kg. and its moment The spring conThe system is released from rest with the spring unstretched. What maximum distance does the mass fall before rebounding?
What is the advantage of nitriding? Select all correct answers. Some complex components can be nitride without difficulty. Better wear resistance. Better fatigue resistance. The cheapest method of case hardening. What is the correct definition of plastic deformation? The behavior of a material when its size changes by the addition of heat. The behavior of a material that deforms under load and returns to its original shape when the load is removed. Deformation caused by cleavage, where the material is actually pulled apart across atomic planes within the crystals or along the grain boundaries. The behavior of a material that deforms under load and does not fully return to its original shape when the load is removed.
B9
H8
Which one is correct please?
The 10 N cylinder moves in a frictionless pipe. Spring constants are k1 = 150 N / m and k2 = 200 N / m. When the system is at rest, d = 0.5 m. (d is the distance from the right end of the arc k2). The system rotates around a fixed z-axis. Find the constant velocity of the cylinder for d = 0.20 m?

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