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A mass of 0.5 kg is attached to the end of a spring. To stretch the spring 2 m in the positive x direction beyond its equilibrium position, a force of 144 N must be applied. The mass is then pulled x(0) = 0.8 m from equilibrium position and set in motion with an initial velocity of −12 m/s. Find the position x(t) of the mass at any time t. x(t) =

A mass of 0.5 kg is attached to the end of a spring. To stretch the spring 2 m in the positive x direction beyond its equilibrium position, a force of 144 N must be applied. The mass is then pulled x(0) = 0.8 m from equilibrium position and set in motion with an initial velocity of −12 m/s. Find the position x(t) of the mass at any time t. x(t) =

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A mass of 0.5 k g is attached to the end of a spring. To stretch the spring 2 m in the positive x direction beyond its equilibrium position, a force of 144 N must be applied. The mass is then pulled x ( 0 ) = 0.8 m from equilibrium position and set in motion with an initial velocity of − 12 m / s . Find the position x ( t ) of the mass at any time t .
x ( t ) =
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