15-82. The 20-lb box slides on the surface for which Hk = 0.3. The box has a velocity v = 15 ft/s when it is 2 ft from the plate. If it strikes the smooth plate, which has a weight of 10 Ib and is held in position by an unstretched spring of stiffness k = 400 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. v = 15 ft/s %3D k 2 ft -

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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15-82. The 20-lb box slides on the surface for which
uk = 0.3. The box has a velocity v = 15 ft/s when it is
2 ft from the plate. If it strikes the smooth plate, which has a
weight of 10 Ib and is held in position by an unstretched
spring of stiffnessk = 400 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.
v = 15 ft/s
%3D
k
2 ft
Transcribed Image Text:15-82. The 20-lb box slides on the surface for which uk = 0.3. The box has a velocity v = 15 ft/s when it is 2 ft from the plate. If it strikes the smooth plate, which has a weight of 10 Ib and is held in position by an unstretched spring of stiffnessk = 400 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. v = 15 ft/s %3D k 2 ft
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