*14-76. The spring has a stiffness k = 50 N/m and anunstretched length of 0.3 m. If it is attached to the 2-kgsmooth collar and the collar is released from rest at A(0 = 0°), determine the speed of the collar when 0 = 60°.The motion occurs in the horizontal plane. Neglect the size%3Dof the collar.2 m-k = 50 N/m

Given Data: The stiffness of the spring is k = 50 N/m. The unstretched length of the spring is t =…

Answered: *14-76. The spring has a stiffness k =…

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 12-lb box slides on the surface for which μk = 0.3. The box has a velocity v = 15 ft/s when it is 2 ft from the plate. a) If the box strikes the smooth plate, which has a weight of 22 lb and is held in position by an unstretched spring of stiffness k = 440 lb/ft, determine the maximum compression imparted to the spring. Take e = 0.8 between the box and the plate. Assume that the plate slides smoothly. x = ?
*13-100. For a short time, the 250-kg roller-coaster car with passengers is traveling along the spiral track at a constant speed of v= 8 m/s. If the track descends d = 12 m for every full revolution, 0 = 27 rad, determine the magnitudes of the components of force which the track exerts on the car in the r.0, and z directions. Neglect the size of the car. 13-101. For a short time, the 250-kg roller-coaster car with passengers is traveling along the spiral track at a constant speed such that its position measured from the top of the track has components r=10m, 0=(0.2t) rad, and z=(-0.3t) m, where t is in seconds. Determine the magnitudes of the components of force which the track exerts on the car in the r, 0, and z directions at the instant t = 2 s. Neglect the size of the car. r = 10 m on Why d
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400 mm The spring attached to the mass of m = 0. 5 kg sliding collar has a stiffness of k = 0.21 kN/m and a free length of 150 mm. If the speed of the collar in position A is 4 m/s to the right, determine the total energy and the speed of the collar in position B, Neglecet 100 mm friction. 200
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13-77. The cylindrical plug has a weight of 2 lb and it is free to move within the confines of the smooth pipe. The spring has a stiffness k = 14 lb/ft and when no motion occurs the distance d = 0.5 ft. Determine the force of the spring on the plug when the plug is at rest with respect to the pipe. The plug is traveling with a constant speed of 15 ft/s, which is caused by the rotation of the pipe about the vertical axis. 3 ft k = 14 lb/ft
14-76. The 4-kg smooth collar has a speed of 3 m/ s when it is at s = 0. Determine the maximum distance s it travels before it stops momentarily. The spring has an unstretched length of l m
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