A 2-lb object, that stretches a spring by 1.5 inches, is released with a downward velocity of 32 ft/sec from 1 ft above the equilibrium position. Assume that the mass does not experience any retarding force and the spring motion is not influenced by an external driving force which is a function of time. Assume g-32 ft/s2. If x is the displacement from the equilibrium position in feet and following the convention that downwards is positive, the appropriate initial condition is

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Chapter1: Functions And Models
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A 2-lb object, that stretches a spring by 1.5 inches, is released with a
downward velocity of 32 ft/sec from 1 ft above the equilibrium
position. Assume that the mass does not experience any retarding
force and the spring motion is not influenced by an external driving
force which is a function of time. Assume g-32 ft/s2.
If x is the displacement from the equilibrium position in feet and
following the convention that downwards is positive, the appropriate
initial condition is
O x(0) = 0, x'(0) = 0 ft/s
O x(0) = 1 ft, x'(0) = 0 ft/s
O x(0) = 1 ft, x'(0) = -32 ft/s
O x(0) = -1 ft, x'(0) = 32 ft/s
Transcribed Image Text:A 2-lb object, that stretches a spring by 1.5 inches, is released with a downward velocity of 32 ft/sec from 1 ft above the equilibrium position. Assume that the mass does not experience any retarding force and the spring motion is not influenced by an external driving force which is a function of time. Assume g-32 ft/s2. If x is the displacement from the equilibrium position in feet and following the convention that downwards is positive, the appropriate initial condition is O x(0) = 0, x'(0) = 0 ft/s O x(0) = 1 ft, x'(0) = 0 ft/s O x(0) = 1 ft, x'(0) = -32 ft/s O x(0) = -1 ft, x'(0) = 32 ft/s
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