Skylar4483
12.08.2020 •
Mathematics
A mass weighing 4 pounds is attached to a spring whose constant is 2 lb/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 14 ft/s. Determine the time at which the mass passes through the equilibrium position. (Use g = 32 ft/s2 for the acceleration due to gravity.) s
Find the time after the mass passes through the equilibrium position at which the mass attains its extreme displacement from the equilibrium position. s
What is the position of the mass at this instant?
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Ответ:
(–1 + 21) + (i + 5i) hope this helps