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14.47 Four small disks A, B, C, and D can slide freely on a frictionless hori- - zontal surface. Disks B, C, and D are connected by light rods and are at rest in the position shown when disk B is struck squarely by disk A, which is moving to the right with a velocity vo = (38.5 ft/s)i. The weights of the disks are WA = WB = Wc = 15 lb, and WD = 30 lb. Knowing that the velocities of the disks immediately after the impact are VA = VB = VD (8.25 ft/s)i, vc = vci, and vp = vpi, determine (a) the speeds vc and vp, (b) the fraction of the initial kinetic energy of the system which is dissipated during the collision. the scatterin with are expre tment of Prob ected from A 14.26 0, 500) and the Chates VO A Fig. P14.47 D B 3 ft 3 ft X

14.47 Four small disks A, B, C, and D can slide freely on a frictionless hori- - zontal surface. Disks B, C, and D are connected by light rods and are at rest in the position shown when disk B is struck squarely by disk A, which is moving to the right with a velocity vo = (38.5 ft/s)i. The weights of the disks are WA = WB = Wc = 15 lb, and WD = 30 lb. Knowing that the velocities of the disks immediately after the impact are VA = VB = VD (8.25 ft/s)i, vc = vci, and vp = vpi, determine (a) the speeds vc and vp, (b) the fraction of the initial kinetic energy of the system which is dissipated during the collision. the scatterin with are expre tment of Prob ected from A 14.26 0, 500) and the Chates VO A Fig. P14.47 D B 3 ft 3 ft X

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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14.47 Four small disks A, B, C, and D can slide freely on a frictionless hori- - zontal surface. Disks B, C, and D are connected by light rods and are at rest in the position shown when disk B is struck squarely by disk A, which is moving to the right with a velocity vo = (38.5 ft/s)i. The weights of the disks are WA = WB = Wc = 15 lb, and WD = 30 lb. Knowing that the velocities of the disks immediately after the impact are VA = VB = (8.25 ft/s)i, vc = vci, and VD = voi, determine (a) the speeds vc and vp, (b) the fraction of the initial kinetic energy of the system which is dissipated during the collision. the scatterin with are expre (ment of Prob ected from A 14.26 1 0, 500) and the Chates VO A Fig. P14.47 D B 3 ft 3 ft X
Transcribed Image Text:14.47 Four small disks A, B, C, and D can slide freely on a frictionless hori- - zontal surface. Disks B, C, and D are connected by light rods and are at rest in the position shown when disk B is struck squarely by disk A, which is moving to the right with a velocity vo = (38.5 ft/s)i. The weights of the disks are WA = WB = Wc = 15 lb, and WD = 30 lb. Knowing that the velocities of the disks immediately after the impact are VA = VB = (8.25 ft/s)i, vc = vci, and VD = voi, determine (a) the speeds vc and vp, (b) the fraction of the initial kinetic energy of the system which is dissipated during the collision. the scatterin with are expre (ment of Prob ected from A 14.26 1 0, 500) and the Chates VO A Fig. P14.47 D B 3 ft 3 ft X
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