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The spring has a stiffness k 50 lb/ft and an unstretchedlength of 2 ft Asshown. lt is confined by the plate and wall using cables so that its length is 1.5 ft A 4 4-lb block is given a speed A when it is at A, and it slides down the incline having a coefficient of kinetic iction 0 2 It strikas the plate and pushes it forward 025 ft before stopping Neglect the mass of the plate and spring (Figure 1), ▼ Part A Determine the speed of the block at A Express your answer to three significant figures and include the appropriate units 叭1 Value II Units Submit Provide Feedback Next > Figure < 1of1> k 50 lb/t 3 ft 1.5ft
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