*22-48. The 30-lb block is attached to two springs having a stiffness of 10 lb/ft. A periodic force F = (8 cos 31) lb, where t is in seconds, is applied to the block. Determine the maximum speed of the block after frictional forces cause the free vibrations to dampen out. k = 10 lb/ft ww F = 8 cos 3t ww k = 10 lb/ft

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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*22-48. The 30-lb block is attached to two springs having
a stiffness of 10 lb/ft. A periodic force F = (8 cos 31) lb,
where t is in seconds, is applied to the block. Determine the
maximum speed of the block after frictional forces cause
the free vibrations to dampen out.
k = 10 lb/ft
ww
F = 8 cos 3t
ww
k = 10 lb/ft
Transcribed Image Text:*22-48. The 30-lb block is attached to two springs having a stiffness of 10 lb/ft. A periodic force F = (8 cos 31) lb, where t is in seconds, is applied to the block. Determine the maximum speed of the block after frictional forces cause the free vibrations to dampen out. k = 10 lb/ft ww F = 8 cos 3t ww k = 10 lb/ft
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