*14-36. The spring has a stiffness k = 50 lb/ft and an unstretched length of 2 ft. As shown, it is confined by the plate and wall using cables so that its length is 1.5 ft. A 4-lb block is given a speed vA when it is at A, and it slides down the incline having a coefficient of kinetic friction μ = 0.2. If it strikes the plate and pushes it forward 0.25 ft before stopping, determine its speed at A. Neglect the mass of the plate and spring.

*14-36. The spring has a stiffness k = 50 lb/ft and an unstretched length of 2 ft. As shown, it is confined by the plate and wall using cables so that its length is 1.5 ft. A 4-lb block is given a speed vA when it is at A, and it slides down the incline having a coefficient of kinetic friction μ = 0.2. If it strikes the plate and pushes it forward 0.25 ft before stopping, determine its speed at A. Neglect the mass of the plate and spring.

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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Question

*14-36. The spring has a stiffness k = 50 lb/ft and an
unstretched length of 2 ft. As shown, it is confined by the
plate and wall using cables so that its length is 1.5 ft. A 4-lb
block is given a speed vд when it is at A, and it slides down
the incline having a coefficient of kinetic friction μk = 0.2.
If it strikes the plate and pushes it forward 0.25 ft before
stopping, determine its speed at A. Neglect the mass of the
plate and spring.
k = 50 lb/ft
1.5 ft
3 ft
Prob. 14-36

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