A 10 lb collar is constrained to travel along a rectilinear and frictionless bar of length L = 5 ft. The springs attached to the collar are identical, they have a spring constant k = 4 lb/ft, and they are unstretched when the collar is at B. Treating the collar as a particle, neglecting air resistance, and knowing that at A the collar is moving to the right with a speed of 14 ft/s, determine the speed with which the collar arrives at D. Points E and F are fixed.
Figure P3.33
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