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weighing pounds IS 1 foot above the equilibrium position with gravity.) downward velocity of 12 ft/s. Determine the time (in s) at which the mass passes through the equilibrium position. (Use g = 32 ft/s2 for the acceleration due to

weighing pounds IS 1 foot above the equilibrium position with gravity.) downward velocity of 12 ft/s. Determine the time (in s) at which the mass passes through the equilibrium position. (Use g = 32 ft/s2 for the acceleration due to

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.7: Applications
Problem 18EQ
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A mass weighing 4 pounds is attached to a spring whose constant is 2 Ib/ft. The medium offers a damping force that is numerically equal to the instantaneous velocity. The mass is initially released from a point 1 foot above the equilibrium position with a downward velocity of 12 ft/s. Determine the time (in s) at which the mass passes through the equilibrium position. (Use g = 32 ft/s2 for the acceleration due to gravity.) 1 8 Find the time (in s) after the mass passes through the equilibrium position at which the mass attains its extreme displacement from the equilibrium position. What is the position (in ft) of the mass at this instant? ft
Transcribed Image Text:A mass weighing 4 pounds is attached to a spring whose constant is 2 Ib/ft. The medium offers a damping force that is numerically equal to the instantaneous velocity. The mass is initially released from a point 1 foot above the equilibrium position with a downward velocity of 12 ft/s. Determine the time (in s) at which the mass passes through the equilibrium position. (Use g = 32 ft/s2 for the acceleration due to gravity.) 1 8 Find the time (in s) after the mass passes through the equilibrium position at which the mass attains its extreme displacement from the equilibrium position. What is the position (in ft) of the mass at this instant? ft
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