2) An object of unit mass is attached to a spring with constant 21 lb/ft. Being in the equilibrium position it is released with an initial upward velocity of 7 ft/sec in a medium that exerts a resistance numerically equal to 2 times the instantaneous velocity. Then we can state that the vibratory motion is a)critically damped b)overdamped c)underdamped
2) An object of unit mass is attached to a spring with constant 21 lb/ft. Being in the equilibrium position it is released with an initial upward velocity of 7 ft/sec in a medium that exerts a resistance numerically equal to 2 times the instantaneous velocity. Then we can state that the vibratory motion is a)critically damped b)overdamped c)underdamped
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2 b)
Transcribed Image Text:2) An object of unit mass is attached to a spring with constant 21 lb/ft.
Being in the equilibrium position it is released with an initial upward
velocity of 7 ft/sec in a medium that exerts a resistance numerically
equal to 2 times the instantaneous velocity. Then we can state that the
vibratory motion is
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a)critically damped
b)overdamped
c)underdamped
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