Physics, 09.07.2019 05:10 tonhill6923

Aforce of 2 pounds stretches a spring 1 foot. a mass weighing 3.2 pounds is attached to the spring, and the system is then immersed in a medium that offers a damping force numerically equal to 0.8 times the instantaneous velocity.(a) find the equation of motion if the mass is initially released from rest from a point 1 foot above the equilibrium position.(b) find the first time at which the mass passes through the equilibrium position heading upward.

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Aforce of 2 pounds stretches a spring 1 foot. a mass weighing 3.2 pounds is attached to the spring,...