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An object is connected to a horizontal spring with force constant 400N/m. The other end of...

An object is connected to a horizontal spring with force constant 400N/m. The other end of the spring is attached to a wall. At t = 0, the object is pulled a distance of x = 0.500 m from equilibrium and is released from rest. The object is moving in the negative x-direction. At x = 0.300m, the object is moving at magnitude of vx = 0.200m/s.

1. How far is the object from the equilibrium position when t = 0.500s?
2. How long does it take the object to first reach equilibrium?

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